James Detweiler
General Partner·Felicis
Bio
Professional summary
James Detweiler is a General Partner at Felicis. His official Felicis profile lists investments including Mercor, Skild AI, DeepJudge, Predibase, Ricursive Intelligence, Flower Labs, and Cambridge Terahertz. Public reporting says he helped launch Felicis Fellows, a program for machine-learning students focused on startups and hackathons. Additional public coverage associates him with deals in Moondream and Operand. His profile is strongest for AI-native infrastructure, applications, robotics, and related frontier technology.
Investment focus
Stage, sector, and overall fit
Stage
Sector
Thesis
Notable companies
Selected portfolio companies the partner has backed
How to approach
Framing and angles for outreach
Pitch framing
Lead with the technical wedge: what new model, workflow, data advantage, or infrastructure shift makes the company possible now. He appears especially relevant for founders building AI-native products where technical depth and market urgency intersect.
Partneralization hooks
- 1Reference his publicly listed investments in Mercor, Skild AI, DeepJudge, or Predibase when relevant.
- 2Tie the pitch to AI infrastructure, robotics, legal AI, or frontier AI applications.
- 3Mention Felicis Fellows if recruiting or technical talent density is part of the company’s edge.
Recent signals
What the partner has said or done recently
Promoted to General Partner at Felicis, with public coverage describing a portfolio spanning AI, robotics, and defense.
Official profile links his activity to AI-powered search for law firms and broader AI infrastructure opportunities.
Public reporting says he helped launch Felicis Fellows for machine-learning students.
Other partners at Felicis
10 more profiles
Aydin Senkut
Founder & Managing Partner
Felicis
Aydin Senkut is the Founder and Managing Partner of Felicis. He is a former early Google executive and first Google product manager who has built Felicis into a multi-stage venture firm backing category-defining technology companies.
Daniel Bartus
Partner, Head of Research
Felicis
Felicis partner leading research across AI, data, security, and enterprise software.
Eric Flaningam
Partner
Felicis
Felicis partner investing in AI-led disruption across complex industries.
Feyza Haskaraman
Partner
Felicis
Felicis partner focused on AI-native security, developer infrastructure, and enterprise platforms.
Jake Storm
General Partner
Felicis
Felicis GP backing cybersecurity, defense tech, AI, and enterprise software companies.
Katie Riester
Managing Director & GP, Fund of Funds Investing
Felicis
Felicis managing director leading investor relations and fund-of-funds investing.
Peter Deng
General Partner
Felicis
General Partner at Felicis investing in AI companies, with prior product leadership roles at OpenAI, Airtable, Uber, Meta, Facebook, and Instagram.
Sundeep Peechu
Managing Partner
Felicis
Managing Partner and founding member of Felicis focused on AI and health/bio investments.
Tobi Coker
Partner
Felicis
Felicis partner investing across AI, health, bio, and data infrastructure.
Viviana Faga
General Partner
Felicis
Viviana Faga is a General Partner at Felicis with deep operating experience in enterprise SaaS, cloud, and category creation. Her background includes senior marketing and go-to-market roles at Yammer, Salesforce, Platfora, and Zenefits.