William F. Detwiler
Syndicate lead · New York, NY
William F. Detwiler is a syndicate lead based in New York, NY, investing at pre-seed, seed stage. William F. Detwiler has 2 funds and deal vehicles on SEC file, including 2 single-deal SPVs. Estimated typical check: $2.02M–$2.2M. William F. Detwiler has dated investing activity in the last 12 months (latest Feb 2026).
Why William F. Detwiler is listed
Named as the only individual (Manager of the General Partner of the Issuer) on the Form D for Fernbrook Convergence Joy, LP, a $2M venture SPV (Feb 2026) (2 vehicles on file).
Source: SEC Form D: Fernbrook Convergence Joy, LP (Feb 6, 2026) · 1 more source
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- Stages
- Pre-seed, Seed
- Typical check (est.)
- $2.02M–$2.2M
- Latest fund
- SPVs only
- Latest dated activity
- Feb 2026
Is William F. Detwiler a fit for you?
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What does William F. Detwiler invest in?
Sector focus not yet verifiedFunds and deal vehicles William F. Detwiler filed with the SEC
Sources
- SEC Form D: Fernbrook Convergence Joy, LPFeb 6, 2026
- SEC Form D: Fernbrook Convergence BB, LPNov 22, 2024
Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.