Adam D’Angelo
Angel Investor
Palo Alto, United States
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.
- Total investments:
- 70
- Last investment:
- Lead investor:
- 1%
Last updated:
For AI agents: llms.txt
Industries Adam D’Angelo invests in
Stages Adam D’Angelo invests in
Countries Adam D’Angelo invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1.3M–$18M
- Series A
- $6.4M–$100M
- Series B
- $20M–$100M
Investment Focus
Industry
- Software 26 (37%)
- Artificial Intelligence 24 (34%)
- Information Technology 11 (16%)
- SaaS 8 (11%)
- Internet 8 (11%)
Stage
- Seed 33 (47%)
- Series A 16 (23%)
- Series B 8 (11%)
- Funding Round 5 (7%)
- Angel 2 (3%)
Country
- United States 54 (77%)
- India 1 (1%)
- Sweden 1 (1%)
- Germany 1 (1%)
- Argentina 1 (1%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| The Academy provides a unique path for the next generation of IT leaders coming out of high school. | $42M / Venture - Series Unknown / Sep 22, 2026 | ||
| 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. | $135M / Series A / Jun 29, 2026 | ||
| AI os for real estate | $500K / Pre-Seed / May 18, 2026 | ||
| 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. | Angel / May 11, 2026 | ||
| Simile is an artificial intelligence company that provides a platform for automating and improving communication and collaboration through AI-driven tools. It offers solutions for creating and managing conversations, generating content, and analyzing interactions to support business workflows. The company integrates AI models to assist teams indrafting messages, responding to queries, and enhancing productivity across digital communication channels. Its platform combines natural language processing, automation, and data analysis to streamline communication tasks and improve organizational efficiency. | $100M / Series A / Feb 12, 2026 | ||
| Convex is a serverless infrastructure company. It was founded in 2020 by James Cowling, Jamie Turner, and Sujay Jayakar. | $24M / Series A / Nov 12, 2025 | ||
| Outsmart is reimagining higher education from the ground up for the age of AI. | $25M / Sep 20, 2025 | ||
| Outsmart Education seeks to increase college accessibility and affordability in the face of growing student loan debt and tuition prices. | $23.4M / Seed / Sep 18, 2025 | ||
| Console offers a platform for managing cloud infrastructure, APIs, authentication, and user access for development teams. | $23M / Series A / Sep 16, 2025 | ||
| Town is an financial services company that provides online tool to help the businesses to pay tax for convenient process. | Mar 16, 2025 | ||
| See all 70 investments → | |||
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FAQ
What does Adam D’Angelo invest in?
Adam D’Angelo invests primarily in Software, Artificial Intelligence and Information Technology startups, most often at Seed and Series A stage. Most of the 70 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Adam D’Angelo invest in?
Adam D’Angelo typically joins rounds of $1.3M–$18M at Seed, $6.4M–$100M at Series A and $20M–$100M at Series B. These are whole funding-round sizes, not Adam D’Angelo's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Adam D’Angelo took part in.
How do I contact Adam D’Angelo?
Public channels for Adam D’Angelo include LinkedIn and X (Twitter). For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Adam D’Angelo last invest?
The most recent investment recorded for Adam D’Angelo closed in Sep 2026. Shizune tracks 70 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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