James Detweiler

James Detweiler

General Partner atFelicis VenturesSan Francisco

James Detweiler is a General Partner at Felicis, focusing on AI investments. He previously invested at Zetta and SVB Capital, and holds a physics and mathematical finance degree from Dartmouth.

What James can write

Writes checks of$1M to $30M+
Comes in atPre-seed, Seed, Series ACan lead the round
Ownership target7-10%At first check
Pitch pageSubmit on their siteThe firm asks founders to apply here.

Felicis Ventures writes $1M to $30M+ checks, larger than 83% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Felicis Ventures.

Career

  1. SVB Capital · investor
  2. Zetta Venture Partners · investor
    2020-2022
  3. Felicis · General Partner
    Now

Investments named in public bios

RunwayMLSkild AIRicursiveMercorVolterraShield AIParaformDeepJudgeOperand

Focus

artificial intelligenceAIroboticsvertical softwaredefense

Education

Dartmouth College, bachelor's degree in Physics and Mathematical Finance

Also at Felicis Ventures

Partners like James

At firms with a similar stage, sector and check size.

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One email when James's firm raises a fund, adds a partner or shows new activity.

Founders and investors at a Mode VC gathering

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Questions

Who is James Detweiler?

James Detweiler is a General Partner at Felicis, focusing on AI investments. He previously invested at Zetta and SVB Capital, and holds a physics and mathematical finance degree from Dartmouth.

How much does James Detweiler invest?

James Detweiler invests through Felicis Ventures, which writes checks of $1M to $30M+ at pre-seed, seed, series a.

How do I pitch James Detweiler?

A warm intro from a founder Felicis Ventures backed works best.

What did James Detweiler do before Felicis Ventures?

investor at SVB Capital; investor at Zetta Venture Partners.

Last updated 2026-10-15. Is this you? Ask for a correction.