# Jeff Rothschild

> Jeff Rothschild is a Series A investor at Accel backing Artificial Intelligence. See 14 investments, check sizes, portfolio and contact details. Updated Sep…

- Type: Angel Investor
- Fund: [Accel](https://shizune.co/investors/profile/accel)
- Location: San Francisco, United States
- Total investments: 14
- Last investment: Nov 2021
- Lead investor: 7%
- Last updated: Sep 2026
- LinkedIn: https://www.linkedin.com/pub/jeff-rothschild/0/b82/30a
- X (Twitter): https://twitter.com/jhroth55
- Website: https://x.com/jhroth55
- Facebook: https://www.facebook.com/jeff

Jeff Rothschild is a Series A investor at Accel in San Francisco focused on Artificial Intelligence and Software. Jeff Rothschild joined Accel as an advisor and venture partner in 1999.Most notably, Jeff was the VP of Infrastructure Engineering at Facebook from 2005 to 2010. Jeff joined Facebook shortly after the Accel investment and focused on scaling, availability and performance of the site. He was Facebook’s first VP Engineering and established a numberof functional organizations within the company including User Operations, Site Integrity, Data Analytics and Infrastructure Engineering.Before Facebook, Jeff was the cofounder of Veritas Software, which became the leading storage management software company with annual sales of more than $1.5B. He also cofounded the online gaming company Mpath/Hearme, and has contributed to the development of Accel portfolio companies including Walmart.com and Rhapsody Networks.Jeff started his career at Honeywell and Intel, where he worked on the development of the Intel 3805 mainframe storage system. After leaving Intel, he developed a consultancy focused on network storage technologies and worked with Locus Computing on the development of AT&T’s DOS-Merge and Sun’s PC-NFS redirector.Jeff has a BS in Psychology and a MS in Computer Science, both from Vanderbilt University.

## Contacts

5 contacts available for Jeff Rothschild: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/jeff-rothschild?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.4M–$5.6M |
| Series A | $8M–$13M |
| Series B | $10M–$50M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Artificial Intelligence | 6 | 43% |
| Software | 5 | 36% |
| Machine Learning | 3 | 21% |
| Information Technology | 3 | 21% |
| Sensor | 2 | 14% |

41 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 5 | 36% |
| Seed | 4 | 29% |
| Series B | 2 | 14% |
| Pre-Seed | 1 | 7% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Helm.ai | Helm.ai develops next-generation AI software for ADAS, autonomous driving, and robotics automation. Founded in 2016 and headquartered in Redwood City, CA, the company reimagines AI software development to make scalable autonomous driving a reality. Helm.ai offers full-stack real-time AI solutions, including deep neural networks for highway andurban driving, end-to-end autonomous systems, and development and validation tools powered by Deep Teaching™ and generative AI. The company collaborates with global automakers on production-bound projects. | $26M | Series B | Nov 16, 2021 |  |
| Kleeen Software | No-code platform using AI and best practices to create UI design, UX workflows, and front-end code | $3.8M | Seed | Feb 10, 2021 |  |
| Zadar Labs | Zadar Labs is developing next generation imaging radar platforms. Our vision is to empower perception systems with compact, high performance, and low-cost imaging radar. We don't just build black boxes, we collaborate with our partners to build the optimal solution for their application. We see a future where every system that perceives theworld, does so better with a Zadar radar. | $5.6M | Seed | Jan 29, 2021 |  |
| Upsolver | Upsolver lets you build continuous pipelines for your cloud data lake using SQL and pipeline automation. No custom coding. No orchestration. No infrastructure maintenance. | $13.3M | Series A | Jun 30, 2020 |  |
| HeartVista | HeartVista is a medical technology company that provides one-click diagnostic imaging. It brought in machine learning to make the scanning process faster, easier, and more consistent. Using AI to control the scanner minimizes the need for breath-holds, making MRI exams available for a broader base of patients and conditions. | $8.7M | Series A | Apr 28, 2020 |  |
| Vista.ai | Vista.ai is an artificial intelligence that offers clinicians to conduct MRI studies. Vista.ai was founded in 2012 and was headquartered in Palo Alto, California. | $8.7M | Series A | Apr 20, 2020 |  |
| Cyberhaven | Cyberhaven is the data security company revolutionizing how companies protect their important information from theft and misuse.Security products only recognized and protected a limited range of data types because they relied on finding patterns in the content itself. Data tracing technology analyzes billions of events surrounding every piece ofdata to better understand and classify it, allowing for the protection of a broader range of sensitive data in any form, anywhere it goes. | $13M | Series A | Dec 05, 2019 |  |
| Adelante | Adelante offers classically styled men' and women's leather shoes handmade by master craftsmen. They built shoes that are on par with the highest quality footwear in the market at a fraction of the price. The company created a new social impact model called the Living Well Line to define the relative cost of living well in the town wherethe craftsmen work. It connects the customer with their craftsman via photo and video throughout the production process, while also communicating the positive impact of their purchase.Adelante Shoe was founded in 2016 and is headquartered in Cambridge, Massachusetts, USA. | $1.4M | Seed | Apr 01, 2019 |  |
| Zensors | Zensors is a visual sensing platform used to monitor various applications such as parking, traffic, road, occupancy, trash detection, and many more. Zensors turns cameras into smart IoT sensors for actionable business insights.Zensors facilitates employers to make sure workforce safety and improve workplace security. The company assists companiesto collect employee data to calculate their most productive hours to schedule important tasks and meetings maximizing productivity and efficiency. |  | Pre-Seed | Jun 18, 2018 |  |
| Primary Data | Primary Data develops intelligence and automation software for enterprise data management across on-premises IT infrastructure and into the cloud. Its DataSphere platform combines metadata management and machine learning to move the right data to the right place at the right time across a global namespace, automatically and without applicationdisruption. DataSphere makes heterogeneous data stores simultaneously available to all applications, enabling enterprises operating at petabyte scale to easily manage billions of files, automate data migration, integrate the cloud, and scale out NAS performance while getting the most value out of infrastructure investments on a per-client, per-file basis. To learn more, visit us at PrimaryData.com, follow us on Facebook.com/PdDataSphere, or Twitter at @Primary_Data. | $20M | Series B | Aug 02, 2017 |  |

10 of 14 investments shown.

## Co-investors
- [Leslie Ventures](https://shizune.co/investors/profile/leslie-ventures) — VC Fund, 4 deals together
- [Dell Technologies Capital](https://shizune.co/investors/profile/dell-technologies-capital) — VC Fund, 3 deals together
- [Battery Ventures](https://shizune.co/investors/profile/battery-ventures) — VC Fund, 2 deals together
- [Khosla Ventures](https://shizune.co/investors/profile/khosla-ventures) — VC Fund, 2 deals together
- [Lightspeed Venture Partners](https://shizune.co/investors/profile/lightspeed-venture-partners) — VC Fund, 2 deals together
- [Neotribe Ventures](https://shizune.co/investors/profile/neotribe-ventures) — VC Fund, 2 deals together

## About Accel

VC Fund · Palo Alto, United States

Accel invests in sectors such as enterprise software, consumer internet, financial technology, and cybersecurity. It participates in funding rounds ranging from seed and pre-seed stages to growth-stage capital. Beyond direct investment, the organization offers operational resources to assist founders with product development and talent recruitment.The firm connects entrepreneurs with a network of industry peers and mentors to facilitate market expansion.

5 contacts available at Accel.

| Name | Title | Profile |
| --- | --- | --- |
| Abhinav Chaturvedi | Partner | https://shizune.co/investors/profile/abhinav-chaturvedi |
| Amit Kumar | Partners | https://shizune.co/investors/profile/amit-kumar-4 |
| Amy Saper | Partner | https://shizune.co/investors/profile/amy-saper |
| Anand Daniel | Partner | https://shizune.co/investors/profile/anand-daniel |
| Andrei Brasoveanu | Partner | https://shizune.co/investors/profile/andrei-brasoveanu |

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## FAQ

### What does Jeff Rothschild invest in?

Jeff Rothschild invests primarily in Artificial Intelligence, Software and Machine Learning startups, most often at Series A and Seed stage. Most of the 14 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Jeff Rothschild's check size?

Jeff Rothschild typically joins rounds of $1.4M–$5.6M at Seed, $8M–$13M at Series A and $10M–$50M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jeff Rothschild participates in.

### How do I contact Jeff Rothschild?

Public channels for Jeff Rothschild include LinkedIn, X (Twitter) and the website linked on this profile. 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 Jeff Rothschild last invest?

The most recent investment recorded for Jeff Rothschild closed in Nov 2021. Shizune tracks 14 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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