Charles Birnbaum photo
Investor profile

Charles Birnbaum

Partner, Bessemer Venture Partners

About

Charles Birnbaum is known for his highly roadmap and thesis-driven style in fintech, where he builds deep research documents on areas like insurance tech and fintech for the aging, then publishes them to signal that Bessemer wants to back very early ideas in those spaces. He brings a rare combination of Wall Street capital-markets experience and operating experience at Foursquare, and places unusual emphasis on learning from an anti-portfolio by openly discussing early misses like not winning Plaid's Series A and using those experiences as training data for later investments. Charles Birnbaum is known for his highly roadmap and thesis-driven style in fintech, where he builds deep research documents on areas like insurance tech and fintech for the aging, then publishes them to signal that Bessemer wants to back very early ideas in those spaces. He brings a rare combination of Wall Street capital-markets experience and operating experience at Foursquare, and places unusual emphasis on learning from an anti-portfolio by openly discussing early misses like not winning Plaid's Series A and using those experiences as training data for later investments.

Works at

Investment focus

Stages
Seed
Series A
Series B+
Sectors
SaaS
FinTech
Consumer
Health
AI

Investment details

Avg check size$500K - $100M
Can lead rounds
Yes
Geographies
USA
Canada
Israel
Asia-Pacific
Europe