# Will Bitsky

> Will Bitsky is an Investment Partner at Andreessen Horowitz (a16z) on the American Dynamism team, focused on investing in companies that support the national interest - spanning aerospace, defense, energy, public safety, education, housing, supply chain, and manufacturing. Before a16z, he was an investor at FirstMark Capital where he backed enterprise, fintech, and consumer internet companies at seed and Series A stages. He got his start in TMT investment banking at Goldman Sachs and holds a B.A. from Cornell University. His current investment thesis centers on a conviction that data - not compute - determines who wins in the physical AI era.

- **Role:** Investment Partner at Andreessen Horowitz
- **Organizations:** Andreessen Horowitz (a16z), FirstMark Capital, Goldman Sachs
- **Nationality:** American
- **Education:** B.A., Cornell University
- **Known for:** Joined Andreessen Horowitz as Investment Partner on the American Dynamism team in 2025, Part of FirstMark Capital's investing team backing enterprise, fintech, and consumer internet startups, Contributed to a16z's Big Ideas 2026: Physical AI and the Industrial Stack, defining a new investment thesis around data superiority

## Career timeline

- **Early career** — Joined Goldman Sachs in TMT (Technology, Media & Telecom) Investment Banking
- **2021** — Joined FirstMark Capital as investor, announced alongside Dez Fleming as new addition to FirstMark team
- **2021-2025** — At FirstMark Capital, invested in enterprise, fintech, and consumer internet companies at seed and Series A stages including Vendelux and Zilla Security
- **2025** — Joined Andreessen Horowitz (a16z) as Investment Partner on the American Dynamism team, working alongside Katherine Boyle, David Ulevitch, and Erin Price-Wright
- **2026** — Published perspective on physical AI and the industrial stack as part of a16z Big Ideas 2026 series, arguing data - not compute - determines who wins

## Achievements

- Joined Andreessen Horowitz as Investment Partner on the American Dynamism team in 2025
- Part of FirstMark Capital's investing team backing enterprise, fintech, and consumer internet startups
- Contributed to a16z's Big Ideas 2026: Physical AI and the Industrial Stack, defining a new investment thesis around data superiority
- Invested in Vendelux (operating system for event intelligence) at FirstMark
- Backed Zilla Security's $13.5M Series A (identity security platform) at FirstMark

## Latest updates

- **2026-05** — Published perspective on physical AI and the industrial stack in a16z's Big Ideas 2026 series
- **2025-05** — Announced joining Andreessen Horowitz as Investment Partner on the American Dynamism team

## Links

- Website: https://a16z.com/author/will-bitsky/
- LinkedIn: https://www.linkedin.com/in/williambitsky/
- Twitter/X: https://x.com/willbitsky

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Profile page: https://yespress.io/will-bitsky
Published by YesPress — https://yespress.io
Last updated: 2026-05-09