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Tom Hammer

Tom Hammer

Partner at Andreessen Horowitz, Head of People at a16z speedrun

hammer
San Francisco, California
Seattle, Washington
Joined August 2025

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11.4K connections
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Summary

Tom Hammer is a highly experienced People Practices leader, currently serving as a Partner at Andreessen Horowitz and Head of People at a16z speedrun. He specializes in talent management, organizational design, and company scaling, offering guidance to portfolio startup founders and leaders. His expertise spans various industries, including venture capital, tech, and consumer goods. a16z+3
With a strong foundation in HR from companies like Procter & Gamble and Riot Games, Tom played a crucial role in scaling the HR and Talent Acquisition department at Bird Rides during its rapid growth phase. He is adept at building performance and development programs for employees globally. a16z+2
Tom is an alumnus of The Ohio State University, holding multiple degrees including an MBA in Strategy and Human Capital, an MA, and a BSBA. His academic background is complemented by practical experience, including serving as a recruiter for the varsity football program and co-founding the Dunn Sport and Wellness Scholars program. a16z+1
Beyond his professional achievements, Tom Hammer demonstrates a keen interest in leveraging technology for learning and efficiency, exemplified by his use of LLMs to synthesize complex literary works. His early experience as an 'Honor Caddy' at Wynstone Golf Club also highlights his deep-rooted understanding of hard work, relationship building, and perseverance. substack+1
Tom is actively involved in community service, having served on the Board of Directors for Goodwill of the San Francisco Bay, demonstrating his commitment to social impact. caddyshacktocorneroffice

Work

Education

Hobbies

Caddied at Wynstone Golf Club for a decade, starting at age 11, which instilled in him values of hard work and relationship building. caddyshacktocorneroffice

Notes

MMMacy Millssaid
THTom Hammer
is one of the most impressive People Leads or Heads of People they've worked with at either a VC firm or startup.

Jan 9, 2026

INIsabella Nazzarisaid
THTom Hammer
is one of the strongest Account Executives they've worked with who's had experience at Fortune 500 companies.

Aug 17, 2025