David Booth

Partner at a16z, Co-founder of On Deck, builder of networks

San Francisco Bay Area

substack

Joined April 2026

Summary

David Booth is a visionary leader in venture capital, deeply focused on transforming VC into a 'network effect business.' His philosophy centers on building robust ecosystems and leveraging 'preferential attachment' to amplify the success of startups, an approach he's cultivated through his foundational work at AngelList and On Deck, and now as Partner, Head of Ecosystem at Andreessen Horowitz. substack

A natural community builder, David has consistently demonstrated an ability to connect ambitious individuals and foster collaborative environments. From leading the London community for On Deck to founding Diaspora.nz and curating 'Something New ✨' dinners, he excels at creating platforms for entrepreneurs to find peers, mentors, and resources, particularly for emerging talent and New Zealanders abroad. dayone+2

David has a profound commitment to nurturing talent and potential, especially among young, ambitious individuals. His advisory role at Crimson Education, alongside his personal investment in his child's education there, highlights his belief in the long-term 'talent flywheel' and his dedication to helping the 'Next Great Expats' find their path and thrive globally. linkedin

Work

Education

Writing

Joining a16z

October 22, 2025

A personal announcement and philosophical deep dive into his role at Andreessen Horowitz, focusing on building ecosystem and leveraging network effects to drive venture capital success. He discusses the concept of 'preferential attachment' and how VC firms can act as 'networked product builders.'

a16z.substack.com