James Detweiler in

James Detweiler

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Partner at Felicis
📍 San Francisco, California, United States

James is a Partner at Felicis, where he focuses on investing in deep tech and AI-native companies. A graduate of Dartmouth College, he supports ambitious founders building complex solutions in areas like enterprise search and AI development, backing companies such as DeepJudge and Mercor.

Beyond his investment role, James is passionate about fostering the AI community, demonstrated by co-hosting dinners for researchers from leading firms like OpenAI and Anthropic. He has a keen interest in Formula 1, which he leverages to build relationships with founders.

To connect with one startup team, he successfully sent a creative cold email titled: “Ferraris with Felicis? ”

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Current Role
Partner
Location
San Francisco, California, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics James cares about

AI & Deep Tech
Invests in and supports AI-native companies like Skild AI and DeepJudge, and co-hosted a dinner for leading AI researchers from labs like OpenAI and Anthropic.
Enterprise Search
He is an investor in and observer at DeepJudge, highlighting their work in building a state-of-the-art search product for complex legal documents.
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Career

Work history

Partner
Felicis
Investor, Observer
Mercor
Investor
Skild AI
Investor
Periodic Labs
Investor, Observer
DeepJudge
In the press

Media appearances

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Education
BA
Dartmouth College
Foreign Studies Program
University of Cape Town
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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