# James Detweiler

> James Detweiler is a General Partner at Felicis, the venture firm behind investments in Shopify, Fitbit, and Twitch. Promoted to General Partner in February 2026, he has sourced, led, or co-led 25+ investments across AI, robotics, vertical software, and defense - including Skild AI (now valued at $14B), RunwayML, and Mercor. A summa cum laude Dartmouth grad in Physics and Mathematical Finance, he honed his AI investment lens at Zetta (the first AI-focused venture fund) and SVB Capital before joining Felicis. He founded the Felicis Fellows program to bridge top AI researchers and entrepreneurship, and coined the investment thesis 'The Great Splintering' - the idea that as thinking becomes cheap, value shifts to trust, judgment, and presence. He grew up in Santa Clara as the youngest of five children of an actress and a painter.

- **Role:** General Partner at Felicis
- **Organizations:** Felicis, Zetta Venture Partners, SVB Capital, Morgan Stanley
- **From:** Santa Clara, California, United States
- **Nationality:** American
- **Education:** Bachelor's in Physics and Mathematical Finance, Dartmouth College
- **Known for:** Promoted to General Partner at Felicis (February 2026), Named to Forbes Midas Brink List, Led or co-led 25+ investments across AI, robotics, vertical software, and defense

## Career timeline

- **Early career** — Analyst at Morgan Stanley
- **Mid career** — Investor at SVB Capital; Board Observer at Shield AI; LP in Felicis; backed Volterra (acquired by F5 for $500M)
- **Pre-Felicis** — Investor at Zetta Venture Partners, the first AI-focused venture fund
- **2022** — Joined Felicis to build the AI portfolio; led RunwayML's Series C within his first month
- **2024** — Established the Felicis Fellows program, awarding $200K to top AI researchers; backed Skild AI at Series A
- **2025** — Named to the Forbes Midas Brink List; promoted to Partner at Felicis
- **2026-02** — Promoted to General Partner at Felicis

## Achievements

- Promoted to General Partner at Felicis (February 2026)
- Named to Forbes Midas Brink List
- Led or co-led 25+ investments across AI, robotics, vertical software, and defense
- Brought Skild AI to Felicis at Series A; company now valued at $14 billion
- Led RunwayML's Series C post-ChatGPT launch in first month at Felicis
- Mercor investment became the largest check of Felicis's previous fund at $50 million
- Founded and established the Felicis Fellows program, awarding $200K to top AI researchers
- Graduated summa cum laude from Dartmouth College
- Board Observer at Shield AI (valued at $5B+) during time at SVB Capital
- Backed Volterra at SVB Capital (acquired by F5 for $500M)

## Latest updates

- **2026-02** — Promoted to General Partner at Felicis, announced February 13, 2026
- **2025-06** — Felicis raised $900 million tenth fund
- **2025-04** — Named to Forbes Midas Brink List
- **2024** — Established Felicis Fellows program awarding $200K to top AI researchers
- **2024** — Brought Skild AI to Felicis at Series A; company now valued at $14 billion

## Links

- Website: https://felicis.com/team/james-detweiler
- LinkedIn: http://www.linkedin.com/in/detweiler
- Twitter/X: https://twitter.com/DetweilerJames
- YouTube: https://www.youtube.com/channel/UCtwoV0ks2tWhbcl292lqfHw
- Facebook: https://www.facebook.com/pages/Felicis-Ventures/107766342587492

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Profile page: https://yespress.io/james-detweiler
Published by YesPress — https://yespress.io
Last updated: 2026-05-18