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Top 50 Software Angel Investors in United States (August 2026)

The most active angel investors investing in United States Software startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in United States Software startup companies. Find investors to raise a Seed, Series A or Series B round with Shizune.
Investor Relevant Deals Geography Stage Focus Round Size
Edward Lando
Angel
137 United States, United Kingdom, France Seed, Pre-Seed, Series A Software, Artificial Intelligence, FinTech $125k–$37M
Scott Belsky
Angel
121 United States, United Kingdom, Germany Seed, Series A, Pre-Seed Software, Artificial Intelligence, Internet $1.1M–$50M
Elad Gil
Angel
113 United States, United Kingdom, Israel Seed, Series A, Series B Software, Information Technology, Artificial Intelligence $2M–$117M
Naval Ravikant
Angel
109 United States, India, United Kingdom Seed, Series A, Pre-Seed Software, FinTech, Artificial Intelligence $1M–$25M
Gokul Rajaram
Angel
107 United States, India, Singapore Seed, Series A, Series B Software, Artificial Intelligence, Financial Services $2.2M–$55M
Balaji Srinivasan
Angel
96 United States, India, Singapore Seed, Pre-Seed, Series A Blockchain, Cryptocurrency, Software $450k–$28M
Jason Calacanis
Angel
94 United States, Australia, Canada Pre-Seed, Seed, Series A Software, Internet, Artificial Intelligence $100k–$16M
Lachy Groom
Angel
92 United States, India, Canada Seed, Series A, Series B Software, Financial Services, Information Technology $2.2M–$80M
Kevin Mahaffey
Angel
89 United States, Canada, Israel Seed, Series A, Pre-Seed Software, SaaS, Artificial Intelligence $1.3M–$30M
Sahin Boydas
Angel
84 United States, Mexico, Norway Seed, Series A, Series B Software, Financial Services, Information Technology $500k–$150M
Nat Friedman
Angel
75 United States, United Kingdom, India Seed, Series A, Series B Artificial Intelligence, Software, Information Technology $2M–$130M
Guillermo Rauch
Angel
75 United States, Sweden, Germany Seed, Series A, Series B Software, Artificial Intelligence, Information Technology $2.1M–$300M
Scott Banister
Angel
72 United States, United Kingdom, India Seed, Series A, Angel Software, Mobile, Internet $500k–$45M
Paul Buchheit
Angel
69 United States, Canada, India Seed, Series A, Angel Software, Artificial Intelligence, E-Commerce $100k–$14M
Mark Cuban
Angel
67 United States, United Kingdom, Canada Seed, Series A Software, Artificial Intelligence, Blockchain $600k–$23M
Nitesh Banta
Angel
61 United States, Canada, India Seed, Series A, Pre-Seed Software, Artificial Intelligence, Information Technology $500k–$47M
Nadav Ben-Chanoch
Angel
60 United States, United Kingdom, France Seed, Pre-Seed, Series A Software, Information Technology, Artificial Intelligence $120k–$30M
Dylan Field
Angel
60 United States, United Kingdom, Brazil Seed, Series A, Series B Software, Artificial Intelligence, Internet $2.2M–$100M
Lenny Rachitsky
Angel
59 United States, Canada, United Kingdom Seed, Series A, Pre-Seed Software, Artificial Intelligence, Information Technology $125k–$34M
Wei Guo
Angel
58 United States, China, Canada Seed, Series A, Angel Software, Artificial Intelligence, Internet $200k–$19M
Wayne Chang
Angel
58 United States, Canada, Australia Seed, Series A Software, SaaS, Internet $1.2M–$15M
Dharmesh Shah
Angel
58 United States, Canada, India Seed, Series A, Pre-Seed Software, Enterprise Software, SaaS $500k–$29M
Kevin Hartz
Angel
57 United States, Canada, Ireland Seed, Series A, Series B Software, Internet, Information Technology $1.5M–$100M
Robert DeMaio
Angel
56 United States Convertible Note FinTech, Software, Health Care $50k–$100k
Sam Altman
Angel
56 United States, Canada, Ghana Seed, Series A, Series B Software, Artificial Intelligence, Biotechnology $1.2M–$100M
Louis Beryl
Angel
54 United States, United Kingdom, Canada Seed, Series A Software, FinTech, Financial Services $1M–$14M
Cyan Banister
Angel
54 United States, United Kingdom, Canada Seed, Series A, Angel Software, Internet, Artificial Intelligence $500k–$23M
Tim Draper
Angel
53 United States, United Kingdom, Canada Seed, Series A, Series B Software, FinTech, Financial Services $356k–$50M
Jack Altman
Angel
53 United States, United Kingdom Seed, Series A, Series B Software, Information Technology, Artificial Intelligence $2.3M–$120M
Arash Ferdowsi
Angel
53 United States, India, Brazil Seed, Series A, Pre-Seed Software, Artificial Intelligence, Information Technology $930k–$30M
Charlie Songhurst
Angel
51 United Kingdom, United States, Germany Seed, Pre-Seed Software, Information Technology, Artificial Intelligence $542k–$8.5M
Lee Linden
Angel
50 United States, Canada, France Seed, Series A, Angel Software, Health Care, Logistics $700k–$18M
Daniel Curran
Angel
50 United States, Canada, Brazil Seed, Series A, Series B E-Commerce, Software, Internet $600k–$50M
Bradley Horowitz
Angel
49 United States, United Kingdom, Germany Seed, Series A, Series B Software, Information Technology, Artificial Intelligence $150k–$120M
Auren Hoffman
Angel
48 United States, Canada, Israel Seed, Series A, Series B Software, Analytics, Internet $750k–$157M
Daniel Gross
Angel
47 United States, India Seed, Series A, Series B Software, Artificial Intelligence, Information Technology $2M–$130M
Jeff Dean
Angel
47 United States, United Kingdom, Japan Seed, Series A, Pre-Seed Artificial Intelligence, Information Technology, Software $450k–$60M
Jason Warner
Angel
47 United States, Canada, Spain Seed, Series A, Pre-Seed Software, Information Technology, Developer Tools $878k–$25M
David Tisch
Angel
47 United States, France, Israel Seed, Series A, Series B Software, Internet, E-Commerce $850k–$40M
Peter Thiel
Angel
46 United States, Germany, Canada Series A, Seed, Series B Software, FinTech, Financial Services $900k–$116M
Clark Landry
Angel
45 United States, Mexico, Bulgaria Seed, Series A, Angel Software, Internet, E-Commerce $50k–$24M
Vishal Rao
Angel
45 United States, India, Canada Seed, Pre-Seed, Series A Software, Artificial Intelligence, Information Technology $500k–$25M
Garry Tan
Angel
45 United States, Canada, United Kingdom Seed, Pre-Seed, Series A Software, Artificial Intelligence, SaaS $500k–$30M
Kevin Moore
Angel
45 United States, India, Canada Seed, Pre-Seed, Angel Software, Health Care, E-Commerce $190k–$5.2M
Ron Conway
Angel
44 United States, Canada, Denmark Series A, Seed, Angel Software, Social Media, Internet $500k–$11M
Marc Benioff
Angel
44 United States, United Kingdom, Canada Series A, Seed, Series B Software, Health Care, Information Technology $1.2M–$50M
Justin Kan
Angel
43 United States, Nigeria, India Seed, Series A, Pre-Seed Software, Financial Services, Artificial Intelligence $890k–$23M
Max Levchin
Angel
42 United States, United Kingdom, India Seed, Series A, Series B FinTech, Financial Services, Software $1.3M–$50M
Paul Graham
Angel
41 United States, Egypt, India Seed, Series A, Angel Software, Artificial Intelligence, SaaS $70k–$30M
Adam D’Angelo
Angel
41 United States, India, Sweden Seed, Series A, Series B Software, Artificial Intelligence, Information Technology $1.3M–$100M
Access all 9634 angel investors in United States Software startups.

Access 48,091 investors

822 industries, 177 countries. Updated daily. Emails and phones included.

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Investor list

Edward Lando
Angel · San Francisco, California, United States · 137 investments in United States Software startups

Edward Lando is the founder of Pareto Holdings. He previously worked at Horizons School of Technology as a co-founder. Edward Lando attended the Wharton School.

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Investment focus

  • Industry: Software, Artificial Intelligence, FinTech
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, United Kingdom, France

Investor stats

  • Total investments: 478
  • Round size: Seed $975k–$7M; Pre-Seed $125k–$3.4M; Series A $5.5M–$37M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Humera — Humera - AI CAPTCHA That Knows You're Human
  • Allonic — Allonic is a robotics hardware company pioneering 3D Tissue Braiding, a new manufacturing platform for producing integrated, compliant, bio-inspired robotic bodies through a single, fully automated production process. By eliminating assembly-heavy designs and supply-chain complexity, Allonic enables significantly faster iteration, lower costs, andsafer, more dexterous robots to be built. Originally founded from Hungary and operating internationally with a US HQ and a growing team of 15, Allonic is building the hardware foundation for the next generation of intelligent machines.
  • Heywa Labs — Heywa Labs develops Generative UX (GenUX), an AI-driven interface layer that creates dynamic, adaptive user experiences beyond static text or links. Their flagship app, Heywa, delivers visual, tappable "stories" of cards for tasks like cooking, travel, fitness, and DIY, reconfiguring in real-time based on user interactions.
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Scott Belsky
Angel · New York, New York, United States · 121 investments in United States Software startups, 18 in the past 12 months

Scott Belsky is currently a Partner at A24, where he leads technology and innovation projects. He previously served as the Chief Strategy Officer and Executive Vice President of Design & Emerging Products at Adobe. He attended Harvard Business School.

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Investment focus

  • Industry: Software, Artificial Intelligence, Internet
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, United Kingdom, Germany

Investor stats

  • Total investments: 260
  • Round size: Seed $2M–$8.7M; Pre-Seed $1.1M–$5M; Series A $10M–$50M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Meticulous — Meticulous auto-generates and auto-maintains visual frontend browser tests, providing a level of coverage that is unattainable with manually written tests.
  • Osmo Studio — Osmo is an AI-native video editor for product launch videos and motion graphics. Turn ideas, Figma files, and footage into polished, on-brand animations, built as editable code.
  • Gravity — The Ad Network for AI
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Elad Gil
Angel · San Francisco, California, United States · 113 investments in United States Software startups

Elad Gil is the Co-Founder of Color Genomics. He previously worked at Twitter as a Vice President. Elad Gil attended the Massachusetts Institute of Technology.

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Investment focus

  • Industry: Software, Information Technology, Artificial Intelligence
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, Israel

Investor stats

  • Total investments: 259
  • Round size: Seed $2M–$17M; Series A $9.5M–$50M; Series B $27M–$117M
  • Lead/follow: 10% lead, 90% follow

Portfolio highlights

  • NavigateAI — An AI copilot for every person in the field. NavigateAI upskills and coaches your team, runs real-time quality control, manages the project in the background, and provides expert knowledge, instantly.
  • Harvey — Harvey is an artificial intelligence technology service provider.
  • Socket — Socket fights vulnerabilities and provides visibility, defense-in-depth, and proactive supply chain protection for JavaScript, Python, and Go dependencies.
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Naval Ravikant
Angel · San Francisco, California, United States · 109 investments in United States Software startups, 11 in the past 12 months

Naval Ravikant is an entrepreneur and investor. He is the co-founder and chairman of AngelList. He previously served as the CEO of AngelList. He attended Dartmouth College.

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Investment focus

  • Industry: Software, FinTech, Artificial Intelligence
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, India, United Kingdom

Investor stats

  • Total investments: 227
  • Round size: Seed $1M–$15M; Pre-Seed $1.2M–$5M; Series A $2.5M–$25M
  • Lead/follow: 7% lead, 93% follow

Portfolio highlights

  • Generalist AI — At Generalist, we are on a mission to make general-purpose robots a reality.
  • Quill Meetings — Quill captures every meeting insight, action item, and decision so your team can focus on what matters most.
  • Blackstar Computers — Blackstar Computers is a forward-looking company dedicated to reshaping the computing experience by innovating across hardware design, operating systems, and human–computer interaction. It aims to create tightly integrated systems where performance, usability, and adaptability work seamlessly together, rethinking how users interact with technologythrough more intuitive interfaces, smarter software, and purpose-built devices that enhance productivity, creativity, and everyday digital experiences.
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Gokul Rajaram
Angel · San Francisco, California, United States · 107 investments in United States Software startups

Gokul Rajaram is a founding partner at Marathon Management Partners and Board of Director of Niural.

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Investment focus

  • Industry: Software, Artificial Intelligence, Financial Services
  • Stage:Seed, Series A, Series B
  • Geography: United States, India, Singapore

Investor stats

  • Total investments: 270
  • Round size: Seed $2.2M–$14M; Series A $7.1M–$35M; Series B $12M–$55M
  • Lead/follow: 7% lead, 93% follow

Portfolio highlights

  • Knit — Knit is an AI-Native Research Agency that combines the rigor and expertise of a traditional agency with the speed and efficiency of AI.
  • Uniti AI — Uniti's AI agents answer every call, text, chat, and email in seconds inside the PMS/CRM you already run. Built for real estate operators focused on growth, profitability & scale.
  • Discovered Materials — AI Agents that discover new materials to improve compute
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Balaji Srinivasan
Angel · San Francisco Bay Area, California, United States · 96 investments in United States Software startups, 20 in the past 12 months

Balaji S. Srinivasan is the Co-Founder and Board Member of Coin Center. He was the CTO of Coinbase and cofounder of Counsyl, Earn, Teleport, and Coin Center. Dr. Srinivasan holds a BS, MS, and PhD in Electrical Engineering and an MS in Chemical Engineering from Stanford University. He also teaches the occasional class at Stanford, including anonline MOOC.

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Investment focus

  • Industry: Blockchain, Cryptocurrency, Software
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, India, Singapore

Investor stats

  • Total investments: 271
  • Round size: Seed $2.3M–$15M; Pre-Seed $450k–$4.2M; Series A $6M–$28M
  • Lead/follow: 5% lead, 95% follow

Portfolio highlights

  • Vorflux — Cloud agents that ship production code. An opinionated harness that runs the full SDLC on dedicated machines.
  • BizScout — BizScout is an online platform of Off market deals for verified buyers and sellers.
  • Warp — Warp is a payroll and compliance tool that makes it easy for founders to hire, onboard, and pay their employees.
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Jason Calacanis
Angel · San Francisco, California, United States · 94 investments in United States Software startups

Jason Calacanis is the Founder and CEO of Inside.com and Launch. He previously worked at Weblogs as a Co-Founder and CEO. Jason Calacanis attended Fordham University.

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Investment focus

  • Industry: Software, Internet, Artificial Intelligence
  • Stage:Pre-Seed, Seed, Series A
  • Geography: United States, Australia, Canada

Investor stats

  • Total investments: 549
  • Round size: Seed $722k–$5.5M; Pre-Seed $100k–$2.1M; Series A $2.7M–$16M
  • Lead/follow: 34% lead, 66% follow

Portfolio highlights

  • Dexla — Build B2B apps quickly with an AI-powered front-end software engineer. Type in what your company does and watch Buck build your app for you.
  • Contraline — Contraline is a medical device company that has developed a proprietary injectable hydrogel platform for use in reproductive and contraceptive applications. Contraline's first product, Adam, is implanted into the vas deferens through a minimally invasive, outpatient procedure and once implanted, the gel effectively blocks sperm. Adam isnon-hormonal, designed to last years, and easily reversible.
  • howie — Howie is an AI calendar secretary for email, SMS, iMessage, Gmail, and Google Calendar. He books meetings, protects focus time, follows up, and handles reminders.
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Lachy Groom
Angel · San Francisco Bay Area, California, United States · 92 investments in United States Software startups

Lachy Groom is the Co-Founder of Physical Intelligence. He previously worked at Stripe as the Head of Stripe Issuing.

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Investment focus

  • Industry: Software, Financial Services, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 225
  • Round size: Seed $2.2M–$10M; Series A $8.5M–$35M; Series B $20M–$80M
  • Lead/follow: 26% lead, 74% follow

Portfolio highlights

  • Ambrook — Ambrook offers specialized accounting software for family-run farms, ranches, and agribusinesses. The platform includes bookkeeping, invoicing, bill payment, and analytics tools. Ambrook aims to help these businesses manage finances, track profitability, and prepare for the future.
  • Meticulous — Meticulous auto-generates and auto-maintains visual frontend browser tests, providing a level of coverage that is unattainable with manually written tests.
  • Netic — The AI revenue engine for essential service industries that keep America running.
Show all investments...

Kevin Mahaffey
Angel · San Francisco, California, United States · 89 investments in United States Software startups

Kevin Patrick Mahaffey is the Founder of Lookout and SNR. He is also the Executive Chairman of Stork Club and an Investor.

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Investment focus

  • Industry: Software, SaaS, Artificial Intelligence
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 151
  • Round size: Seed $1.3M–$8M; Pre-Seed $1.5M–$5.6M; Series A $5.3M–$30M
  • Lead/follow: 5% lead, 95% follow

Portfolio highlights

  • Mason America, Inc. — Mason is the device innovation platform for product leaders who dare to deliver the next innovation in their field.
  • Cara — Cara is a domain-specific AI platform purpose-built for insurance—a modular system that enables agencies, brokerages, and MGAs to automate servicing, accelerate sales, and scale operations with a 24/7 digital workforce.
  • Triangle Health — Triangle Health is a software company that uses artificial intelligence to analyze medical documents.
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Sahin Boydas
Angel · San Francisco Bay Area, California, United States · 84 investments in United States Software startups

Sahin Boydas is the PEF Chapter Lead of PEF Community. He previously worked at RemoteTeam.com as CEO and Founder. Sahin Boydas attended Koç University, where he took a Bachelor of Science in Computer Engineering, and Bahcesehir University, where he took a Master of Business Administration in Entrepreneurship.

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Investment focus

  • Industry: Software, Financial Services, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, Mexico, Norway

Investor stats

  • Total investments: 276
  • Round size: Seed $500k–$15M; Series A $7M–$36M; Series B $23M–$150M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Seezo — Security design reviews for every feature your company builds. Someday, we will be more active on Twitter
  • Neurable — Neurable is a neurotechnology company specializing in developing AI-powered tools for brain signal translation and brain-computer interface technology. Utilizing patented signal processing, developed through research across labs and institutions, and advanced by a scientific and expert product team, its platform enables high-performancebrain-computer interface in everyday devices.
  • Normal Computing — Normal Computing was founded by former members of the Google Brain Team, Palantir, and X who unlocked AI for some of the largest-scale and most mission-critical production systems, and the industry leading ML frameworks for Probabilistic and Quantum AI.
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Access 48,091 investors

822 industries, 177 countries. Updated daily. Emails and phones included.

Browse database — It's Free!
Nat Friedman
Angel · San Francisco, California, United States · 75 investments in United States Software startups, 7 in the past 12 months

Nat Friedman is an entrepreneur and developer. He attended the Massachusetts Institute of Technology. Nat Friedman has two degrees from MIT and has been writing software for 27 years. Nat Friedman is passionate about building products that delight customers with love and attention to detail.In 1999, he co-founded Ximian with Miguel de Icaza. Natwas a co-founder and chairman of the GNOME Foundation. At Novell, Nat ran engineering for a $110M product and served as CTO of the Linux business.

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Investment focus

  • Industry: Artificial Intelligence, Software, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 148
  • Round size: Seed $2M–$15M; Series A $11M–$60M; Series B $28M–$130M
  • Lead/follow: 23% lead, 77% follow

Portfolio highlights

  • NewLimit — NewLimit is extending human healthspan by unlocking regenerative potential.
  • Shellworks — Reimaging nature's packaging with beautifully sustainable, truly compostable alternatives to plastic for cosmetics and beauty products.
  • Viktor — Viktor is the AI employee that lives in Slack and Microsoft Teams, connects to 3,200+ tools, and does the work. Reports, dashboards, code, campaigns. Start free.
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Guillermo Rauch
Angel · San Francisco, California, United States · 75 investments in United States Software startups, 30 in the past 12 months

Guillermo Rauch is based out of Lanús, Buenos Aires and is the CEO of Vercel. Guillermo previously worked at MooTools as a frontend engineer.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, Sweden, Germany

Investor stats

  • Total investments: 150
  • Round size: Seed $2.1M–$15M; Series A $10M–$40M; Series B $30M–$300M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Ambrook — Ambrook offers specialized accounting software for family-run farms, ranches, and agribusinesses. The platform includes bookkeeping, invoicing, bill payment, and analytics tools. Ambrook aims to help these businesses manage finances, track profitability, and prepare for the future.
  • Paper — design, share, ship
  • Gravity — The Ad Network for AI
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Scott Banister
Angel · San Francisco, California, United States · 72 investments in United States Software startups

Scott is an American entrepreneur and angel investor. He is best known as a co-founder of IronPort and an early advisor and board member at PayPal.Scott Banister started his career as a pioneer in the email business. He was Founder and VP of Technology at ListBot, the largest ASP for business email list hosting. ListBot was acquired byMicrosoft. After ListBot, Scott spent his time working with other start-ups as a board member and investor. These start-ups include eVoice, creator of the first email-enabled home voicemail service, which was acquired by AOL in 2001. He served as VP of Ideas at idealab!, where he contributed numerous innovations, including the unique bid-for-placement search engine model that powers Overture. In December 2000, with Scott Weiss, Banister co-founded IronPort, an email appliance provider that was acquired in 2007 by Cisco for US$830 million.Scott Banister is co-founder and Chairman of Other private equity investments include Zappos.com, LiveOps, Facebook, Hi5.com, Tagged.com, iLike, and Causes.com.Banister attended University of Illinois at Urbana-Champaign, from which he dropped out in 1996 to move to Silicon Valley. He currently lives in Half Moon Bay, California with his wife Cyan.

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Investment focus

  • Industry: Software, Mobile, Internet
  • Stage:Seed, Series A, Angel
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 155
  • Round size: Seed $660k–$5.8M; Angel $500k–$1.3M; Series A $1.4M–$45M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • Barndoor AI — Barndoor AI offers a centralized governance layer to manage granular access, policy enforcement, and visibility across agentic AI workforce.
  • Artemis — Powered by AI, Mona Lee is the fastest, most efficient way for homeowners to go solar. Through a direct-to-consumer approach, Mona Lee’s AI-powered self-serve platform transforms the solar buying experience by eliminating non-stop solicitation calls, lengthy design and evaluation processes, and back-and-forth price negotiations that can take up toweeks. With Mona Lee, customers go from quote to scheduling their installation in minutes. Feel free to visit our website to read customer testimonials and Mona Lee solar reviews.Mona Lee was founded by a group of serial entrepreneurs with decades of experience in clean energy. The company is headquartered in Boston, MA and is proud to serve homeowners nationwide.
  • Together AI — Together will enable researchers, developers & companies to leverage and improve artificial intelligence with an intuitive data, models & computation platform.
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Paul Buchheit
Angel · Mountain View, California, United States · 69 investments in United States Software startups

Paul Buchheit is based out of Mountain View, California and is the Co-Founder and General Partner of Standard Capital. Paul Buchheit attended Case Western Reserve University.

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Investment focus

  • Industry: Software, Artificial Intelligence, E-Commerce
  • Stage:Seed, Series A, Angel
  • Geography: United States, Canada, India

Investor stats

  • Total investments: 153
  • Round size: Seed $1.1M–$5M; Angel $100k–$1.6M; Series A $2.5M–$14M
  • Lead/follow: 7% lead, 93% follow

Portfolio highlights

  • SiPhox Health — Painless, 5-minute biomarker testing at home. Clear insights, trend tracking, and a personalized plan built around your results.
  • BuildForever — BuildForever build products that feel personal, magical and deeply human.
  • Perplexity — Perplexity is a search engine platform that uses artificial intelligence to provide large language models and search engines. The company's platform enables the development of beneficial artificial general intelligence, as well as an open-source environment that is accessible to the public, allowing clients to develop skills and knowledge inartificial intelligence.
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Mark Cuban
Angel · Dallas, Texas, United States · 67 investments in United States Software startups, 11 in the past 12 months

Mark Cuban is the founder of Fireside, Chairman and Founding Partner of AXS TV, and the Owner of Dallas Mavericks. He previously worked at Broadcast.com as a Co-Founder. Mark Cuban attended the Indiana University Bloomington.

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Investment focus

  • Industry: Software, Artificial Intelligence, Blockchain
  • Stage:Seed, Series A
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 211
  • Round size: Seed $600k–$9M; Series A $3.2M–$23M
  • Lead/follow: 23% lead, 77% follow

Portfolio highlights

  • Payam Music — Payam Music is where students fall in love with piano. Not only do they have fun but they win competitions. Endorsed by composer Hans Zimmer. Sign up for a trial in-person or online lesson!
  • Kind Designs — Kind Designs is a trusted 3D Printed seawall contractor in Miami offering custom seawall construction, shoreline protection, erosion control solutions.
  • The Athletics — The Athletics franchise is a professional spectator sports organization that operates a Major League Baseball club. The company manages athletic team rosters, player scouting, talent development, and medical staff for its baseball operations. It coordinates live event production, stadium technology, corporate sponsorships, and ticket saleslogistics for professional games. Additionally, the business oversees regional television, radio, and streaming broadcast infrastructure to distribute sports media content.
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Nitesh Banta
Angel · New York, New York, United States · 61 investments in United States Software startups

Nitesh Banta is the Co-Founder & CEO at B12.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Canada, India

Investor stats

  • Total investments: 111
  • Round size: Seed $1.3M–$16M; Pre-Seed $500k–$2.5M; Series A $6.5M–$47M
  • Lead/follow: 4% lead, 96% follow

Portfolio highlights

  • Pelgo — Pelgo is a startup that provides AI-powered career transition services. For employees coming out of layoffs, young grads just entering the job market, or full-time professionals trying to adjust to a developing AI-driven economy, its tools, along with human advisors, help onboarding, transition, and reskilling.
  • howie — Howie is an AI calendar secretary for email, SMS, iMessage, Gmail, and Google Calendar. He books meetings, protects focus time, follows up, and handles reminders.
  • Self Protocol — Self is spearheading a secure, human-first internet by allowing users to verify their identities while maintaining their privacy. Self Protocol is an identity and proof-of-humanity solution that uses zero-knowledge technology to confirm personhood and distinctive traits, like age and nationality, without revealing private information.
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Nadav Ben-Chanoch
Angel · Miami, Florida, United States · 60 investments in United States Software startups

Nadav Ben-Chanoch

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Investment focus

  • Industry: Software, Information Technology, Artificial Intelligence
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, United Kingdom, France

Investor stats

  • Total investments: 226
  • Round size: Seed $500k–$6M; Pre-Seed $120k–$2.5M; Series A $4M–$30M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • micro1 — We help companies hire and manage the best software engineers easily.
  • TRIVER — Triver develops online and digital tools to assist and support various financial services. It is based in London, England.
  • Skedway — The optimization hub for the Modern Enterprise - Visualize, integrate and manage every shared company asset in one place.
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Dylan Field
Angel · San Francisco, California, United States · 60 investments in United States Software startups

Dylan Field is based out of San Francisco, California and is the Co-Founder, Chief Executive Officer, President and Chair of our Board of Directors of Figma. Dylan Field attended the Brown University.

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Investment focus

  • Industry: Software, Artificial Intelligence, Internet
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, Brazil

Investor stats

  • Total investments: 133
  • Round size: Seed $2.2M–$12M; Series A $13M–$29M; Series B $23M–$100M
  • Lead/follow: 4% lead, 96% follow

Portfolio highlights

  • Ambrook — Ambrook offers specialized accounting software for family-run farms, ranches, and agribusinesses. The platform includes bookkeeping, invoicing, bill payment, and analytics tools. Ambrook aims to help these businesses manage finances, track profitability, and prepare for the future.
  • Netic — The AI revenue engine for essential service industries that keep America running.
  • Senra Systems — Senra Systems operates in the manufacturing industry, focusing on software configuration to improve manufacturing processes. The company works to transform skilled assembly tasks into production lines, enhancing production efficiency. It also has involvement in the Aerospace and Defense industry. It collects anonymous data through Google Analyticsto analyze user behavior and use the insights to improve its services.
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Lenny Rachitsky
Angel · 59 investments in United States Software startups

Lenny Rachitsky served as Co-Founder and CEO at Localmind.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 83
  • Round size: Seed $2.5M–$12M; Pre-Seed $125k–$5M; Series A $12M–$34M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Vybe — AI coworkers and custom apps that runs your operations.
  • Sukha — An all-in-one focus app and distraction blocker for Mac, Windows and Chromebook: AI tasks, binaural music, website and phone blocking, Pomodoro timers.
  • Pilot Protocol — Network OS for AI Agents
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Wei Guo
Angel · San Francisco, California, United States · 58 investments in United States Software startups

Wei Guo, the founding partner of UpHonest Capital, is an active angel investor in Silicon Valley, focusing on early-stage cross-sector investments. He founded Wei Fund in 2015 and UpHonest Capital Fund I in 2016, invested in well-known companies such as Hims&Hers(NYSE: HIMS), Vicarious Surgical(NYSE: RBOT), Knightscope (NASDAQ: KSCP), Checkr,Lime, Boom, Rescale, Dialpad and more. Since 2015, he has invested in over 400 Silicon Valley startups, over 76 companies with valuations greater than 100 million USD, and 23 portfolio companies that have successfully exited.

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Investment focus

  • Industry: Software, Artificial Intelligence, Internet
  • Stage:Seed, Series A, Angel
  • Geography: United States, China, Canada

Investor stats

  • Total investments: 155
  • Round size: Seed $200k–$4.3M; Angel $375k–$10M; Series A $7M–$19M
  • Lead/follow: 3% lead, 97% follow

Portfolio highlights

  • tbh — tbh is a developer of a mobile application designed to provide anonymous feedback to friends. The company's mobile application facilitates asking or answering questions, open text fields and invite abuse when combined with anonymity, enabling users to say things without repercussions and feel better about themselves from the positive feedbackon social networks.
  • Golden — Golden is a developer of a self-constructing knowledge database used to accelerate discovery and education. The company uses and leverages human effort by using machine intelligence to make the process of gathering and communicating knowledge simpler.It combines a powerful search across several entities with fine-grain alerts to stay on top ofchanges, and semi-automatic research assistance for gaps in knowledge that enable people in organizations to stay current, understand and leverage the latest trends in their industry.
  • Crossing — Crossing Media is a live broadcast e-commerce service company that builds awareness, engagement, and sales through live-stream shopping.
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Wayne Chang
Angel · Boston, Massachusetts, United States · 58 investments in United States Software startups

Wayne Chang is the Founder and CEO of Reasoner. He previously worked at Crashlytics as a Co-Founder and Chairman. Wayne Chang attended the University of Massachusetts.

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Investment focus

  • Industry: Software, SaaS, Internet
  • Stage:Seed, Series A
  • Geography: United States, Canada, Australia

Investor stats

  • Total investments: 185
  • Round size: Seed $1.2M–$5.6M; Series A $6M–$15M
  • Lead/follow: 3% lead, 97% follow

Portfolio highlights

  • tbh — tbh is a developer of a mobile application designed to provide anonymous feedback to friends. The company's mobile application facilitates asking or answering questions, open text fields and invite abuse when combined with anonymity, enabling users to say things without repercussions and feel better about themselves from the positive feedbackon social networks.
  • T2 — T2 is in early alpha. 280 character text, replies, and likes - that's it for now. Browse content now and sign up for the waitlist.
  • Ghost Message — Record and turn your classes into automated notes, quizzes, flashcards together with classmates.
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Dharmesh Shah
Angel · Boston, Massachusetts, United States · 58 investments in United States Software startups

Dharmesh Shah is the Founder and CTO at HubSpot. Dharmesh Shah attended University of Alabama at Birmingham.

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Investment focus

  • Industry: Software, Enterprise Software, SaaS
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Canada, India

Investor stats

  • Total investments: 94
  • Round size: Seed $500k–$6M; Pre-Seed $1.1M–$4M; Series A $1.5M–$29M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Smarterer — Individuals and Fortune 500 companies use Smarterer to help close the gap between the skills they have and the skills they need. Their dynamic assessment engine leverages the freshest crowdsourced tests around, to rapidly pinpoint skill level with a credible score. In November 2014, Pluralsight, the global leader in online learning for serioussoftware developers, IT specialists and creative technologists, acquired Smarterer. As the world's largest curated e-learning library for professionals, the company offers instant access to more than 3,500 courses authored by top experts. Smarterer will continue to power crowdsourced assessments for freelancer marketplaces, e-learning providers and enterprise companies anywhere people need to prove their skills to connect with professional opportunities. The Smarterer community has answered over 56 million during 1.7 million test sessions, across hundreds of tests.
  • JustAI — An AI-first modern enterprise marketing stack that sets you in an always-on, set-and-forget motion. Increase your experimentation velocity and keep your team lean! Say goodbye to manual campaign management.
  • Neurometric AI — Making Intelligence Free | https://t.co/ZxWxeMBJt2 | https://t.co/W8nlLqYwQi
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Kevin Hartz
Angel · San Francisco, California, United States · 57 investments in United States Software startups, 9 in the past 12 months

Kevin Hartz is a Co-Founder and Chairman of Sauron. He is also a Co-Founder and General Partner at A*. He previously worked at Eventbrite as Co-Founder and Chairman. Kevin attended Stanford University, where he earned a Bachelor of Arts & Science in History and Applied Earth Science, and the University of Oxford, where he completed an MSt inHistory.

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Investment focus

  • Industry: Software, Internet, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, Ireland

Investor stats

  • Total investments: 138
  • Round size: Seed $1.5M–$10M; Series A $4M–$30M; Series B $18M–$100M
  • Lead/follow: 7% lead, 93% follow

Portfolio highlights

  • fomo — Fomo is a cutting-edge fintech startup revolutionizing the financial landscape through innovative technology and strategic partnerships.
  • Warp — Warp is a payroll and compliance tool that makes it easy for founders to hire, onboard, and pay their employees.
  • Mozart AI — Artho has revealed its first product, Mozart AI, a groundbreaking AI-powered Digital Audio Workstation (DAW) that aims to accelerate and magnify human creativity. This hybrid musician will have complete control over their musical vision with no creative friction. They will create, engineer, and perform at the speed of their imagination. They willoutperform and innovate the best pure human artists by combining human artistry with AI co-creation. We are a team of musicians, technologists, and creative visionaries.
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Robert DeMaio
Angel · Incline Village, Nevada, United States · 56 investments in United States Software startups, 56 in the past 12 months

Robert DeMaio is the founder, CEO, and controlling and majority shareholder of Phinge® Corporation. He is an inventor with over 30 granted patents, including software (Such as App-Less technologies and hardware verification) and patents for modular hardware and devices.

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Investment focus

  • Industry: FinTech, Software, Health Care
  • Stage:Convertible Note
  • Geography: United States

Investor stats

  • Total investments: 56
  • Round size: Convertible Note $50k–$100k
  • Lead/follow: 100% lead, 0% follow

Portfolio highlights

  • Phinge — Netverse Verified User-Centric Patented App-less Platform NI & Magnetically Connectable Devices. CEO Ranked #1 Globally On Crunchbase For 5 Of The Last 7 Months
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Sam Altman
Angel · San Francisco, California, United States · 56 investments in United States Software startups

Sam Altman is the CEO and co-founder of OpenAI. He is a Partner of Apollo Projects. Altman was the president of Y Combinator. Sam attended Stanford University.

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Investment focus

  • Industry: Software, Artificial Intelligence, Biotechnology
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, Ghana

Investor stats

  • Total investments: 186
  • Round size: Seed $1.2M–$10M; Series A $10M–$50M; Series B $17M–$100M
  • Lead/follow: 22% lead, 78% follow

Portfolio highlights

  • Exowatt — Modular full-stack renewable energy solutions for commercial and industrial customers.
  • Preventive — Preventive mission is to determine whether the newest generation of gene editing technologies can be used safely and responsibly to correct devastating genetic conditions for future children.
  • Red Queen Bio — Red Queen Bio is an AI biosecurity company. Think of us as the cybersecurity layer for biology. AI is making it dramatically easier to design powerful new drugs and therapies, which is extraordinary news for medicine. But the same tools are also lowering the barrier for bad actors to engineer dangerous pathogens, and opening up an entirely new category of threats, including viruses designed to evade human immunity.Defense has to keep pace with offense.
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Louis Beryl
Angel · San Francisco, California, United States · 54 investments in United States Software startups

3X Founder of Earnest, SolidEnergy, and now working on the next one. Formerly a16z and YC. Active angel investor and board member.

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Investment focus

  • Industry: Software, FinTech, Financial Services
  • Stage:Seed, Series A
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 131
  • Round size: Seed $1M–$6M; Series A $2.2M–$14M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Roofr — The complete sales toolbox for roofers. From roof measurement reports to project-winning proposals.
  • Flip — Great prices and unbelievably fast sales on popular, limited edition sneakers.
  • AnchorUSD — Buy, sell, and send crypto Explore and Invest in all the top rated coins Instant Trade between thousands of coin pairs Support over at @AnchorUSDHelp
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Cyan Banister
Angel · San Francisco, California, United States · 54 investments in United States Software startups

Cyan Banister is a partner at Founders Fund, where she invests across sectors and stages with a particular interest in augmented reality, fertility, heavily regulated industries and businesses that help people with basic skills find meaningful work. Prior to joining Founders Fund, Cyan was an active angel investor with a portfolio including Uber,Thumbtack, SpaceX, Postmates, EShares, Affirm and Niantic, creator of Pokémon GO. A self-taught engineer and entrepreneur, Cyan has held a number of technical leadership positions throughout her career. As an early employee at IronPort, which was acquired by Cisco, Cyan oversaw support infrastructure and performance for a global customer base. She has a passion for the arts and is a voracious film, documentary and media consumer.

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Investment focus

  • Industry: Software, Internet, Artificial Intelligence
  • Stage:Seed, Series A, Angel
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 145
  • Round size: Seed $650k–$5.6M; Angel $500k–$1.3M; Series A $1.5M–$23M
  • Lead/follow: 16% lead, 84% follow

Portfolio highlights

  • FLORA — FLORA is an applied AI HCI company building creative tools.
  • Vigil Labs — Machine intelligence for live markets.
  • Barndoor AI — Barndoor AI offers a centralized governance layer to manage granular access, policy enforcement, and visibility across agentic AI workforce.
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Tim Draper
Angel · San Francisco, California, United States · 53 investments in United States Software startups, 18 in the past 12 months

Tim Draper is the Founding Partner of Draper Associates. He attended Harvard Business School.

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Investment focus

  • Industry: Software, FinTech, Financial Services
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 298
  • Round size: Seed $356k–$6.5M; Series A $2.5M–$25M; Series B $3M–$50M
  • Lead/follow: 33% lead, 67% follow

Portfolio highlights

  • CASIMIR
  • illumicell AI — illumicell AI combines patented AI algorithms and proprietary microscopy technology to test 50x faster, 20x more effectively, empowering every healthcare provider at the point of care – not just fertility clinics – with accessible, scalable fertility diagnostics.
  • SignalRank — SignalRank Corporation is a FinTech company in the Venture space. It focuses on the seed stage asset class and uses data analytics to allocate capital to the best seed fund managers for their top performing companies. GPRank and CompanyRank are two proprietary algorithms it leverages to automate capital allocation. The company invests from balancesheet. Its customers are seed stage investors with outstanding companies in their portfolio.
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Jack Altman
Angel · San Francisco, California, United States · 53 investments in United States Software startups

Jack Altman is the founder and CEO of Lattice.

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Investment focus

  • Industry: Software, Information Technology, Artificial Intelligence
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom

Investor stats

  • Total investments: 115
  • Round size: Seed $2.3M–$9M; Series A $10M–$30M; Series B $27M–$120M
  • Lead/follow: 11% lead, 89% follow

Portfolio highlights

  • ScienceIO — The data science company for healthcare
  • Verifiable — A modern data engine to power healthcare credentialing, licensing, enrollment and provider network management. Built for the new demands of today's healthcare.
  • Career Karma — Learn about bootcamps, ask questions and read reviews to find the best job training program for you. Connect with peers, coaches and mentors to accelerate your technology career.
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Arash Ferdowsi
Angel · San Francisco, California, United States · 53 investments in United States Software startups, 13 in the past 12 months

Arash Ferdowsi is the Co-Founder & CTO at Dropbox. After studying at MIT, Arash Ferdowsi founded Dropbox with Drew Houston. Dropbox was a TechCrunch50 finalist in 2008.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, India, Brazil

Investor stats

  • Total investments: 110
  • Round size: Seed $2M–$10M; Pre-Seed $930k–$3.6M; Series A $13M–$30M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Crafting — The safest validation layer for enterprise agents. Give agents and engineers secure, controlled access to real infrastructure, real data, and real dependencies. Multi-cloud, multi-region, and multi-agent by default.
  • Warp — Warp is a payroll and compliance tool that makes it easy for founders to hire, onboard, and pay their employees.
  • Meticulous — Meticulous auto-generates and auto-maintains visual frontend browser tests, providing a level of coverage that is unattainable with manually written tests.
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822 industries, 177 countries. Updated daily. Emails and phones included.

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Charlie Songhurst
Angel · Greater Seattle Area, Washington, United States · 51 investments in United States Software startups

Charles Songhurst is a founding partner of Katana Capital, a long-short equity hedge fund. He also runs the Songhurst Group, which holds assets in a variety of private companies.Charles ran corporate strategy for Microsoft and focused on partnering and M&A. He was involved in the Yahoo acquisition and commercial deal, and the Skypeacquisition. Before running corporate strategy, Charles was focused on the emergence of Google and the growth of the search industry.Prior, Charles was an analyst at McKinsey & Company in London. Charles received a bachelor’s degree from Oxford University in politics, philosophy, and economics.

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Investment focus

  • Industry: Software, Information Technology, Artificial Intelligence
  • Stage:Seed, Pre-Seed
  • Geography: United Kingdom, United States, Germany

Investor stats

  • Total investments: 214
  • Round size: Seed $1.1M–$8.5M; Pre-Seed $542k–$5.1M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Skrap — Skrap is an on-demand mobile marketplace for skip hire and other waste collection services.
  • Uncovr — Surgical video is the biggest dark data in medicine. We turn it into operative reports, billing codes, and clinical intelligence automatically
  • Structured AI — Construction AI QA/QC software that automatically reviews drawing packages and catches errors, code issues, and coordination clashes before they reach the field.
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Lee Linden
Angel · San Francisco, California, United States · 50 investments in United States Software startups

Lee is a Managing Partner at Quiet Capital. He is an entrepreneur and early-stage investor.Previously, he lead Facebook's emerging initiatives in commerce, including Gifts and the Facebook Card.Lee founded Karma, a breakthrough mobile commerce platform that allowed smartphone users to instantly send real gifts to others without the burdenof physical mailing addresses. Karma was acquired by Facebook in early 2012. Prior to Karma, Lee founded Tapjoy and piloted the company to its position as a leading mobile advertising platform which today touches more than 1 billion devices. He began Tapjoy by co-creating multiple top mobile games for iOS/Android and subsequently unraveling the potential of mobile advertising and app distribution at scale.Earlier, Lee worked for venture capital firm Kleiner Perkins and helped launch the iFund, a $100M investment vehicle focused on smartphone application platforms. Lee originally began his career working in product development at Microsoft, where he co-created the Windows Home Server division and shipped the first version of that product to market.Lee holds an MBA from Stanford's Graduate School of Business and a BA in Computer Engineering from the University of Michigan. He grew up in the suburbs of Detroit, Michigan, and today lives and works in the beautiful San Francisco Bay Area.Lee has been a featured speaker at universities, conferences, and panels worldwide and has received numerous awards for his work including 30 under 30 Best Young Tech Entrepreneur by Bloomberg Businessweek 2012, 100 Most Creative People in Business by Fast Company in 2012, and The Silicon Valley 100 by Business Insider 2013.

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Investment focus

  • Industry: Software, Health Care, Logistics
  • Stage:Seed, Series A, Angel
  • Geography: United States, Canada, France

Investor stats

  • Total investments: 79
  • Round size: Seed $1.3M–$5.5M; Angel $700k–$1.5M; Series A $3.7M–$18M
  • Lead/follow: 3% lead, 97% follow

Portfolio highlights

  • Kinema — A social cinema platform for filmmakers and community builders
  • Lava — The financial platform for bitcoin. Spend globally with Lava Card while earning bitcoin back, borrow against your bitcoin, earn on dollars, and more.
  • Jupiter — Jupiter is a specialized manufacturer of hair, scalp care and dandruff products.
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Daniel Curran
Angel · San Francisco, California, United States · 50 investments in United States Software startups

Daniel Curran is the Founder and CEO at CustEx.com.

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Investment focus

  • Industry: E-Commerce, Software, Internet
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, Brazil

Investor stats

  • Total investments: 145
  • Round size: Seed $600k–$5M; Series A $3.6M–$23M; Series B $2.3M–$50M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • RentoMojo — RentoMojo is an online furniture rental platform that was incorporated in November 2014.It currently operates in Bangalore, Pune, Mumbai, Hyderabad, Chennai, Delhi, Gurgaon and Noida.RentoMojo was founded by Geetansh Bamania, an ex-IITM, in November 2014 in India. Like many other young working professionals, he was living in rented apartments,working long hours and found it inconvenient to equip the house with furniture when he moved. RentoMojo was developed to provide an alternative to buying and selling furniture in rental properties.
  • Shred Video — Make awesome GoPro movies from raw footage in seconds. Download now on the Mac App Store! http://t.co/huKZsX8RBY
  • GC Plus — Find Your Next Home Service Expert With Ease
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Bradley Horowitz
Angel · Palo Alto, California, United States · 49 investments in United States Software startups

Bradley Horowitz is an Advisor and Vice President of Product Management at Google. Most recently he helped create Area 120, Google's incubator for internally-sourced innovation. He's led a large number of products, programs and initiatives at Google - including Google for Startups, Google Photos, Gmail, Google Voice, blogger, and GoogleNews.Before joining Google in February 2008, Horowitz was Yahoo's vice president of Advanced Development where he drove the acquisitions of Flickr and MyBlogLog, launched the Brickhouse incubator and developed new products like Yahoo! Pipes. Additionally, he was responsible for the company's initiative to open up its platform which included overseeing the Yahoo Developer Network (YDN).Previously, he was co-founder and CTO of Virage, where he oversaw the technical direction of the company from its founding through its IPO and eventual acquisition by Autonomy.Horowitz was a PhD candidate at the MIT Media Lab. While at the Media Lab, he worked on a number of topics related to computer vision, graphics and image processing, which resulted in a patented new technique for the recovery of structure, motion and camera parameters from video sequences.Horowitz holds an MS in Media Science from MIT and a BS in Computer Science from the University of Michigan.

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Investment focus

  • Industry: Software, Information Technology, Artificial Intelligence
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, Germany

Investor stats

  • Total investments: 132
  • Round size: Seed $150k–$18M; Series A $7.2M–$36M; Series B $19M–$120M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Key AI — Unlock new networking and career opportunities with Key, the leading AI-powered professional networking platform. Build and manage communities, host and join exclusive events, and create meaningful connections to supercharge your growth all in one place.
  • Catena Labs — Catena is a product studio where we transform complex computing advancements into accessible, practical tools for users and developers. Leveraging AI and web3 technology our aim is to turn innovative ideas into real-world applications that are easy to use.
  • Odyssey — Odyssey is an AI lab pioneering general world models: causal, multimodal systems that learn to understand and simulate the world.
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Auren Hoffman
Angel · San Francisco, California, United States · 48 investments in United States Software startups

CEO, NQB8, Chm, SafeGraph. GP, Flex Capital. Fmr CEO of LiveRamp. Follow @auren

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Investment focus

  • Industry: Software, Analytics, Internet
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 126
  • Round size: Seed $750k–$7M; Series A $1M–$25M; Series B $5M–$157M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Enki — Enki is the most effective way to learn Looker, Tableau, SQL, Excel, and other data skills. Training fully customized by role and team. Use data in the highest impact way for your role.
  • CalypsoAI — CalypsoAI combines industry-leading AI testing and human-in-the-loop decision making to give you the confidence you need to push AI projects into production.
  • Sincera — Sincera provides novel signal data to the most innovative companies in advertising technology.
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Daniel Gross
Angel · San Francisco, California, United States · 47 investments in United States Software startups

Daniel Gross is the Co-Founder of Pioneer. He previously worked at Y Combinator as a Head of AI.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, India

Investor stats

  • Total investments: 101
  • Round size: Seed $2M–$20M; Series A $12M–$34M; Series B $25M–$130M
  • Lead/follow: 24% lead, 76% follow

Portfolio highlights

  • NewLimit — NewLimit is extending human healthspan by unlocking regenerative potential.
  • Antimetal — Making cloud savings automated, effortless, and risk-free. Start saving in 2 minutes, no code or engineering required.
  • Creatify AI — Empower everyone's ad creation.
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Jeff Dean
Angel · Palo Alto, California, United States · 47 investments in United States Software startups

Jeff Dean is the Chief Scientist of Google DeepMind and Google Research. He joined Google in 1999 and has played a pivotal role in shaping the company’s technical foundations. He currently focuses on advancing AI and deep learning research across Google’s research teams.He co-founded and led the Google Brain team, helping drive innovations indeep learning for speech recognition, computer vision, natural language understanding, and a wide range of predictive applications. Over the years, he has co-designed and implemented several generations of Google's core systems, including its web search infrastructure, crawling and indexing pipelines, and advertising technologies such as AdSense for Content.He is also a key contributor to Google's distributed computing infrastructure, having co-designed and implemented systems like MapReduce, BigTable, Spanner, Protocol Buffers, LevelDB, and TensorFlow—one of the most widely used open-source machine learning platforms.Jeff Dean earned his Ph.D. in Computer Science from the University of Washington in 1996. He is a Fellow of the ACM, a member of the U.S. National Academy of Engineering and the American Academy of Arts and Sciences, and a recipient of the ACM-Infosys Foundation Award in the Computing Sciences and the Mark Weiser Award.

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Investment focus

  • Industry: Artificial Intelligence, Information Technology, Software
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, United Kingdom, Japan

Investor stats

  • Total investments: 104
  • Round size: Seed $2.5M–$35M; Pre-Seed $450k–$2.3M; Series A $10M–$60M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • Moonlake AI — Vibe code games and worlds into existence.
  • Belfort — Enabling Fully Homomorphic Encryption through Hardware Acceleration
  • Periodic Labs — From bits to atoms.
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Jason Warner
Angel · San Francisco, California, United States · 47 investments in United States Software startups

Jason Warner is based out of San Francisco, California, and is the Co-founder and CEO of Poolside. Jason previously worked at Redpoint as a Managing Director. Jason Warner attended the Rensselaer Polytechnic Institute.

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Investment focus

  • Industry: Software, Information Technology, Developer Tools
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Canada, Spain

Investor stats

  • Total investments: 62
  • Round size: Seed $2M–$5M; Pre-Seed $878k–$4M; Series A $8M–$25M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Meticulous — Meticulous auto-generates and auto-maintains visual frontend browser tests, providing a level of coverage that is unattainable with manually written tests.
  • ConfigHub Inc. — ConfigHub will unify and centralize software infrastructure configuration in a way that existing tools do not.
  • Patronus AI — The industry-first automated evaluation platform that detects Large Language Model (LLM) mistakes at scale and use generative AI with confidence.
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David Tisch
Angel · New York, New York, United States · 47 investments in United States Software startups

David Tisch is the Managing Partner of BoxGroup, a New York City-based early stage investment fund. BoxGroup is an investor in over 200 seed-stage companies, including Vine, Blue Apron, Sunrise, Warby Parker, Harry’s, Oscar, Behance, Handy and more. David is also the co-founder and Chairman of Spring, a mobile marketplace where customers shopdirectly within the app from a curated community of brands. Spring was named by Apple as one of the Best Apps of 2014.In 2014, David was named Head of Startup Studio at Cornell Tech, the University’s New York City-based graduate campus focused on digital technologies and the information economy. He is also Entrepreneur in Residence for Wharton’s Entrepreneurship Program.David is the co-founder of TechStars NYC and has served on numerous boards, including Mayor Bloomberg’s Advisory Council on Technology, the Investor Board of Venture for America, and the Entrepreneurship board at NYU. He graduated from the University of Pennsylvania and New York University School of Law, and currently lives in New York City

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Investment focus

  • Industry: Software, Internet, E-Commerce
  • Stage:Seed, Series A, Series B
  • Geography: United States, France, Israel

Investor stats

  • Total investments: 219
  • Round size: Seed $850k–$3.5M; Series A $1.1M–$15M; Series B $7M–$40M
  • Lead/follow: 5% lead, 95% follow

Portfolio highlights

  • Arkero — Arkero is the AI transformation partner for sports businesses, connecting ticketing, CRM, and data to automate gameday planning, retention, and fan insights.
  • Keychain — Keychain is a rapidly growing platform dedicated to connecting brands and retailers with the best manufacturing partners worldwide. At Keychain, we utilize AI to streamline the process of finding and vetting manufacturers, making the supply chain more transparent and efficient.
  • Funnel — Our revolutionary CRM property management software saves both time and money for agents and owners while making leasing more efficient.
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Peter Thiel
Angel · San Francisco, California, United States · 46 investments in United States Software startups

Peter Thiel Is the Managing Partner of The Founders Fund. He previously worked at Stanford Law School as a Visitor. Peter Thiel attended Stanford University.

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Investment focus

  • Industry: Software, FinTech, Financial Services
  • Stage:Series A, Seed, Series B
  • Geography: United States, Germany, Canada

Investor stats

  • Total investments: 233
  • Round size: Seed $900k–$10M; Series A $3M–$32M; Series B $16M–$116M
  • Lead/follow: 30% lead, 70% follow

Portfolio highlights

  • Objection — Objection.ai is a new AI‑driven platform positioned as an “AI judge” for contested claims in journalism and public‑sphere reporting.
  • Panthalassa — We're harnessing renewable energy in the open ocean and delivering it around the world. Engineered in Portland, Oregon.
  • Reserve — Reserve is a universal currency company. Reserve provides people with hyperinflation protected savings accounts to protect and use their money globally. They offer rtokens, collateral baskets, and over collateralization.
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Clark Landry
Angel · Nashville, Tennessee, United States · 45 investments in United States Software startups

Clark Landry is the Managing Partner of Clover Leaf Ventures.Most recently, Clark was co-founder and COO at CESPPA, a cybersecurity company. Formerly, Clark was co-founder and COO at Maple Media (raised $30 million from private equity investors), co-founder and executive chairman at SHIFT (acquired by Brand Networks), co-founder and CEO at TopLevel Domain Holdings (now Minds + Machines - publicly-traded on the London Stock Exchange's AIM), co-founder and CMO at TagWorld (acquired by Viacom). Clark was a founding investor of Gradient X, a mobile DSP (acquired by SingTel), Traffic Marketplace, an advertising network (acquired by Vivendi), Adconion Media Group, a provider of digital media advertising solutions (acquired by Amobee), Conversion Logic, an advertising attribution company, and CREXi, a commercial real estate marketplace.Clark holds a bachelor of arts degree in economics from Yale University.

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Investment focus

  • Industry: Software, Internet, E-Commerce
  • Stage:Seed, Series A, Angel
  • Geography: United States, Mexico, Bulgaria

Investor stats

  • Total investments: 105
  • Round size: Seed $150k–$5.4M; Angel $50k–$1.1M; Series A $2.8M–$24M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Esper — Esper is the first cloud-based platform to help governments proactively manage public policy with better data and transparency.
  • Acquicent — Acquicent enables the issuance and trading of blockchain tokens linked to digital and real-world collectibles.
  • AlphaFlow — AlphaFlow is a tech-driven investment company providing professionally managed portfolios of real estate loans to institutional investors. They work with the residential real estate lenders around the country and underwrite their loans across 50+ factors. AlphaFlow invests in the best deals, splitting our clients’ portfolios across 75-100 loansinto15+ states to create AlphaFlow Optimized Portfolios. They took the best practices of investment management, like diversification, rebalancing, and institutional-quality data analytics, and automated them so that investors could receive these benefits without the high fees and high minimums of traditional real estate investing. It is ultimately a simpler, more intelligent way to invest in real estate.AlphaFlow was founded in 2015 and is headquartered in San Francisco, California, United States.
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Vishal Rao
Angel · Boston, Massachusetts, United States · 45 investments in United States Software startups

Advisory CTO and Angel Investor

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 84
  • Round size: Seed $500k–$8.8M; Pre-Seed $500k–$2.1M; Series A $3.8M–$25M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Aquaria — Aquaria provides solutions to secure access to clean water. The organization adapts its approaches based on the needs of these communities. It addresses water-related challenges through various methods.
  • Delphi — Delphi turns your expertise into an always-on presence, so you can grow your reach, serve your audience, and lead with clarity, without burning out.
  • Cambridge Terahertz — Cambridge Terahertz, a leader in terahertz (THz) imaging technology, offers an AI-powered Concealed Weapons Detection (CWD) solution to enhance workplace security. Our patent-pending system can see through clothing, luggage, plastic, paper, ceramics, and cardboard to detect concealed threats, including firearms, knives, and explosives.
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Garry Tan
Angel · San Francisco, California, United States · 45 investments in United States Software startups, 46 in the past 12 months

Garry Tan is based out of Mountain View, California and is the President & CEO of Y Combinator. Garry Tan attended Stanford University.

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Investment focus

  • Industry: Software, Artificial Intelligence, SaaS
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 310
  • Round size: Seed $1M–$9.5M; Pre-Seed $500k–$500k; Series A $6M–$30M
  • Lead/follow: 35% lead, 65% follow

Portfolio highlights

  • Modus — Modus Audit is a technology-driven platform revolutionizing the industry by developing AI-powered tools and acquiring CPA firms to deliver audits in a fraction of the traditional time. By integrating intelligent workflows with specialized IT and security services, the company empowers accounting firms to achieve unprecedented efficiency andsecurity.
  • Monaco — The future of sales. Backed by Benchmark, Founders Fund & Human Capital.
  • Odyssey — Odyssey is an AI lab pioneering general world models: causal, multimodal systems that learn to understand and simulate the world.
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Kevin Moore
Angel · Dallas, Texas, United States · 45 investments in United States Software startups

Kevin Moore has 10 years experience as an angel/opportunity investor and operator. Prior to that, he has over 15 years of progressive technology i-banking, corp dev, and CFO experience at startups and $Bn corporates.

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Investment focus

  • Industry: Software, Health Care, E-Commerce
  • Stage:Seed, Pre-Seed, Angel
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 101
  • Round size: Seed $190k–$5.2M; Pre-Seed $800k–$2.7M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • SilkChart — SilkChart helps growth teams improve campaigns based on what users are doing in product - without relying on expensive data scientists. We do this through a no code analytics tool that combines marketing and product usage data to identify which channels, audiences, and content maximize revenue growth.
  • Trace — Trace is an orchestration engine that breaks down existing workflows, assigns repetitive tasks to AI agents and routes the rest to the right people.
  • Augmend — Create documentation and an AI assistant from any video.
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Ron Conway
Angel · San Francisco, California, United States · 44 investments in United States Software startups

Ron Conway is based out of San Francisco, California, and was the Founder and Managing Partner of SV Angel. Ron Conway attended San Jose State University. Ron previously worked at Salesforce Foundation as a Board Member. Ron Conway has received the Best Angel at the TechCrunch Crunchies Awards.

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Investment focus

  • Industry: Software, Social Media, Internet
  • Stage:Series A, Seed, Angel
  • Geography: United States, Canada, Denmark

Investor stats

  • Total investments: 176
  • Round size: Seed $500k–$6.1M; Angel $500k–$1.7M; Series A $1.2M–$11M
  • Lead/follow: 5% lead, 95% follow

Portfolio highlights

  • Kumo.AI — Kumo is a platform that uses artificial intelligence to help businesses make predictions from their data, like customer churn or product purchases.
  • World Labs — World Labs is an AI startup that can analyze visual data with comprehension akin to a person's, a substantial advancement above existing capacities.
  • Tomorrow Farms — Tomorrow Farms is a food technology company on a mission to fuel the sustainable food revolution with irresistible food and beverage brands.
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Marc Benioff
Angel · San Francisco, California, United States · 44 investments in United States Software startups, 9 in the past 12 months

Marc Benioff is based out of San Francisco, California, and is the Chairman, Chief Executive Officer, and Co-Founder of Salesforce. Marc previously worked at Oracle as a Vice President. Marc Benioff attended the University of Southern California. Marc Benioff has been awarded an honorary degree of Doctor of Humane Letters.

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Investment focus

  • Industry: Software, Health Care, Information Technology
  • Stage:Series A, Seed, Series B
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 148
  • Round size: Seed $1.2M–$15M; Series A $5.9M–$30M; Series B $7M–$50M
  • Lead/follow: 11% lead, 89% follow

Portfolio highlights

  • June.ai — Discover June, a digital communication hub that replaces your email experience. June creates a new world for your existing email that gives you more control, interactivity and efficiency.
  • Panthalassa — We're harnessing renewable energy in the open ocean and delivering it around the world. Engineered in Portland, Oregon.
  • Enclave — Enclave is a cybersecurity startup that builds an AI‑native code‑security agent for software development and DevSecOps teams. It analyzes entire codebases to triage scanner noise and surface only the vulnerabilities that truly matter, using cross‑file taint analysis and trust‑boundary mapping. The platform helps engineering teams ship code fasterwhile reducing the risk of exploitable security issues in production. Enclave primarily targets software companies and enterprises that prioritize secure, high‑velocity development.
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Justin Kan
Angel · San Francisco, California, United States · 43 investments in United States Software startups, 6 in the past 12 months

Justin Kan is the Co-Founder of Stash. He previously worked at Atrium as a CEO. Justin Kan attended Yale University.

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Investment focus

  • Industry: Software, Financial Services, Artificial Intelligence
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Nigeria, India

Investor stats

  • Total investments: 111
  • Round size: Seed $1.3M–$7M; Pre-Seed $890k–$20M; Series A $7.5M–$23M
  • Lead/follow: 8% lead, 92% follow

Portfolio highlights

  • Convex — All gas, no breakages. Convex is the reactive backend platform that keeps up with you and your agents.
  • FLORA — FLORA is an applied AI HCI company building creative tools.
  • Samepage — Building your second brain for product leaders
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Max Levchin
Angel · San Francisco, California, United States · 42 investments in United States Software startups

Max Levchin is the Founder and CEO of Affirm. He previously worked at the Consumer Financial Protection Bureau as an Advisory Board Member. Max Levchin attended the University of Illinois Urbana-Champaign.

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Investment focus

  • Industry: FinTech, Financial Services, Software
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 113
  • Round size: Seed $1.3M–$10M; Series A $4M–$27M; Series B $7.5M–$50M
  • Lead/follow: 4% lead, 96% follow

Portfolio highlights

  • Bland AI — Transform your enterprise communication with Bland AI. Automate inbound and outbound phone calls using AI that sounds human. Perfect for sales, customer support, and operations with customizable voices and seamless integrations.
  • CoPilot — CoPilot is pioneering Assisted Commerce for big-ticket purchases – starting with cars. You are the one spending the money - shouldn't you have an expert on your side? We founded CoPilot to make that a reality. For the average car buyer, who is not a car expert or enthusiast, car shopping can be a time consuming, frustrating process that leavespeople feeling alone and disadvantaged. CoPilot is changing this dynamic. Like a trusted friend who is knowledgeable about cars, knows where to look and what to buy, CoPilot provides car shoppers with an expert partner who empowers them to discover the perfect car at the best possible price with ease and confidence.
  • Black Ore Technologies — Black Ore's Tax Autopilot is the first AI tax platform for CPAs, offering complete 1040 tax preparation automation to tax professionals, so they can focus on growing their firm.
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Paul Graham
Angel · Mountain View, California, United States · 41 investments in United States Software startups, 19 in the past 12 months

Paul Graham is the Founder of Y Combinator.

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Investment focus

  • Industry: Software, Artificial Intelligence, SaaS
  • Stage:Seed, Series A, Angel
  • Geography: United States, Egypt, India

Investor stats

  • Total investments: 83
  • Round size: Seed $1M–$13M; Angel $70k–$700k; Series A $3.5M–$30M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • Luel
  • Autosana — AI-powered E2E testing for mobile and web apps. Ship faster with self-healing tests, no code required.
  • AgentMail — AgentMail provides an API-first email platform that enables AI agents to send, receive, and manage emails with automation and analytics.
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Adam D’Angelo
Angel · Palo Alto, California, United States · 41 investments in United States Software startups, 8 in the past 12 months

Adam D’Angelo is a Founder and CEO of Quora.He previously served as Chief Technology Officer at Facebook, where he oversaw new product development and managed the engineering team. In addition, he guided the site’s architecture and infrastructure to ensure scalability as the site expanded.Prior to serving as CTO, Adam led the FacebookPlatform team and, as an engineer, built the initial infrastructure for news feed, ad targeting and delivery, and worked on scalability and optimization. He holds a Bachelor’s degree in Computer Science from the California Institute of Technology.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, India, Sweden

Investor stats

  • Total investments: 69
  • Round size: Seed $1.3M–$18M; Series A $6.6M–$100M; Series B $20M–$100M
  • Lead/follow: 1% lead, 99% follow

Portfolio highlights

  • Espa — Espa provides an AI assistant platform that helps individuals and organizations manage email, scheduling, and personal or work tasks. The service connects to users’ inboxes and calendars to flag priority messages, draft context-aware responses, and coordinate meeting times. Users can interact with Espa via messaging channels such as text, WhatsApp,and other chat tools to book appointments, set reminders, and follow up on tasks. The platform offers plans for personal use, professional assistants, and larger enterprises, with options for multiple inboxes, synced calendars, and integrations with tools like email, calendar, storage, and collaboration systems. Espa emphasizes privacy controls, encryption, and user management features for larger teams.
  • roomix — AI os for real estate
  • 8090 Solutions — 8090 Solutions provides an AI-native software development platform through Software Factory, a system designed to help teams manage the software development lifecycle from planning to deployment. The platform connects business requirements, architecture planning, implementation tasks, testing, and feedback within a shared workspace using AI-drivenworkflows and knowledge management. 8090 Solutions enables organizations to coordinate product, engineering, and business teams while maintaining visibility across software projects. The company’s solutions support custom software development, AI-assisted engineering processes, and enterprise software delivery through structured collaboration between teams and AI agents.
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Software Angel investor funding in United States at a glance

Stats across 8.6k deals from 9.6k investors.

9.6k
investors
in United States Software startups
8.6k
deals
in United States Software startups
$3.2M
median round
in United States Software startups
8%
lead investors
lead at least one round
45%
Seed
most common funding stage

Access all 9634 angel investors in United States Software startups.

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