Sam Lessin

Sam Lessin

VC

Co-Founder & General Partner, Slow Ventures

Generalist seed GP backing experienced founders

USA (San Francisco, Boston, New York)$500K–$3M checks8 notable investments
Pre-SeedSeedSeries A
AIFintechConsumerEnterprise SaaSDeveloper ToolsCryptoHealthcareSecurityInfrastructure

Background

Sam Lessin is a co-founder and General Partner at Slow Ventures, a generalist early-stage VC firm with approximately $770M AUM based in San Francisco, Boston, and New York. Before Slow Ventures, he was VP of Product at Facebook, where he founded the Identity product group. He co-founded drop.io, which was acquired by Facebook in 2010, and Fin Analytics. At Slow, he was among the original seed investors in Solana, Airtable, Teamshares, and Sublime Security. He is also a columnist at The Information and host of the More or Less podcast.

Investment Thesis

Backs founders with deep domain expertise and genuine conviction who have spent years developing insight into a problem — not founders seeking problems to solve.

Investment Focus

Stages

Pre-SeedSeedSeries A

Typical check: $500K–$3M

Sectors

AIFintechConsumerEnterprise SaaSDeveloper ToolsCryptoHealthcareSecurityInfrastructure

Based in: USA (San Francisco, Boston, New York) (North America)

Notable Investments

Last updated: Jun 11, 2026