William Lehmann
Solo GP · Boston, MA
William Lehmann is a solo GP based in Boston, MA, investing at pre-seed, seed stage. William Lehmann's most recent fund with a disclosed size, Step Function Ventures Fund I LP, filed a $20M offering with the SEC in Jun 2023. Estimated typical check: $200K–$600K. William Lehmann's latest dated investing activity was in Jun 2023.
Why William Lehmann is listed
Named as the only individual (Manager of the General Partner of the Issuer) on the Form D for Step Function Ventures Fund I LP, a $20M venture fund (Jun 2023).
Source: SEC Form D: Step Function Ventures Fund I LP (Jun 30, 2023)
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- Stages
- Pre-seed, Seed
- Typical check (est.)
- $200K–$600K
- Latest fund
- $20M · Jun 2023
- Latest dated activity
- Jun 2023
Is William Lehmann a fit for you?
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What does William Lehmann invest in?
Sector focus not yet verifiedWhat has William Lehmann invested in recently?
- Jun 2023
Step Function Ventures Fund I LP
Invested through a fund
Funds and deal vehicles William Lehmann filed with the SEC
- Jun 2023
Step Function Ventures Fund I LP
Fund · $20M offering
Sources
- SEC Form D: Step Function Ventures Fund I LPJun 30, 2023
Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.