# Jack Altman

> Jack Altman co-founded Lattice in 2015, built it into a $3 billion HR software platform used by thousands of companies, then stepped down as CEO in 2023 to become a full-time investor. He raised two funds totaling $425 million under Alt Capital before joining Benchmark as a General Partner in February 2026 - one of venture's most storied and flat-structured firms. He is also a WSJ bestselling author, podcast host, and the younger brother of OpenAI co-founder Sam Altman.

- **Role:** General Partner at Benchmark
- **Organizations:** Benchmark, Lattice, Alt Capital
- **From:** St. Louis, Missouri, USA
- **Nationality:** American
- **Education:** Bachelor of Arts, Economics, Princeton University
- **Known for:** Co-founded Lattice, growing it to a $3 billion valuation with 5,000+ customers, Forbes 30 Under 30 (2019) in Enterprise Technology, Wall Street Journal bestselling author of 'People Strategy' (2021)

## Career timeline

- **2011** — Graduated Princeton University with BA in Economics
- **2011-2012** — Investment banking analyst at Gleacher & Company, New York
- **2012-2013** — Moved to San Francisco; began angel investing in early-stage startups
- **2013-2015** — VP of Business Development at Teespring
- **2015** — Co-founded Lattice with Eric Koslow
- **2019** — Named to Forbes 30 Under 30 in Enterprise Technology
- **2021** — Published 'People Strategy' - became a Wall Street Journal bestseller
- **2022** — Lattice reached $3 billion valuation after Series F ($175M round)
- **2023-12** — Stepped down as Lattice CEO; became Executive Chairman
- **2024-02** — Founded Alt Capital; raised $150M Fund I
- **2025-09** — Raised Alt Capital Fund II at $275M in under a week
- **2026-02** — Joined Benchmark as General Partner

## Achievements

- Co-founded Lattice, growing it to a $3 billion valuation with 5,000+ customers
- Forbes 30 Under 30 (2019) in Enterprise Technology
- Wall Street Journal bestselling author of 'People Strategy' (2021)
- Raised $150M Alt Capital Fund I (February 2024) and $275M Fund II (September 2025)
- Fund II oversubscribed and closed in under one week
- Angel investments include Opendoor, Instacart, Gusto, Pinterest, Figma, Rippling, and Flexport
- Pioneered miscarriage leave policies at Lattice - an early advocate in tech
- Named General Partner at Benchmark, one of venture's most selective firms (February 2026)
- Host of the 'Uncapped with Jack Altman' podcast

## Latest updates

- **2026-02** — Joined Benchmark as General Partner; Alt Capital wound down with board seats retained
- **2025-09** — Raised Alt Capital Fund II of $275M in under one week
- **2025** — Launched an AI accelerator for business software startups in partnership with Microsoft
- **2024-02** — Founded Alt Capital and closed $150M Fund I

## Links

- Website: https://jackealtman.com/
- LinkedIn: https://www.linkedin.com/in/jackealtman
- Twitter/X: https://twitter.com/jaltma
- YouTube: https://www.youtube.com/@uncappedpod
- Instagram: https://www.instagram.com/_jaltman/

---

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