James Detweiler
General Partner at Felicis
San Francisco, California
James Detweiler, General Partner at Felicis is an active investor based in San Francisco, California. This profile covers what James Detweiler backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEFinance OperatorFounderInvestor
- Stages
- Early Stage VentureSeries A
- Invests in
- Artificial IntelligenceDeveloper Tools & Data
- Location
- San Francisco, California
- Typical check
- $750K
- Past investments
- 6
Notable investments
MercorZetta Venture Partners
Skild AI
Ricursive IntelligenceSVB CapitalPeriodic LabsHow to reach James Detweiler
Angels and operators like James Detweiler reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
Connect with James Detweiler
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.
Frequently Asked Questions
What does James Detweiler invest in?
James Detweiler invests in Artificial Intelligence and Developer Tools & Data, typically at Early Stage Venture and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does James Detweiler invest at?
James Detweiler typically invests at Early Stage Venture and Series A. Lead with traction that fits the stage when you reach out.
What is James Detweiler's typical check size?
James Detweiler typically writes checks around $750K. Use it as a signal for whether your raise fits their stage.
How do I contact James Detweiler?
Unlock James Detweiler's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.