Brian Feinstein
Partner / Growth
San Francisco Bay Area, US
About Brian
Brian is a partner of the growth investment practice at Bessemer and based in the San Francisco office.
Brian has been at Bessemer since 2008. Brian led early-stage investments in Procore (IPO), Wildlife, Restaurant365, Ada, Weave (IPO), Mambu, Fulcrum, and Clio, as well as growth investments in Ramp, Fireworks, Cognition, nCino (IPO) and Bumble (IPO). Brian also led growth buyout investments in Litify, LiveAuctioneers (acq), Beyond, Current, and CRI.
During his time at Bessemer, Brian helped found BVP Forge, Bessemer's private equity fund, and Columbia Lake Partners, a European venture debt fund.
Brian graduated from Harvard University and sits on the board of the Heckscher Foundation for Children.
AI
Enterprise
Fintech
Marketplaces
Vertical
Q&A
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The quality you most admire in a founder is...
Perseverance. It took Tooey Courtemanche a decade to get Procore from zero to $10M of ARR, and another decade to get from $10M to $1B. Most people quit somewhere in the first decade.
Latest News & Research
19 Total Posts
News
EliseAI deepens vertical operations in housing and healthcare
Bessemer Venture Partners co-leads EliseAI’s $350M funding following $200M ARR milestone and the launch of Apollo, a universal property management agent.
News
Devin's next commit
Bessemer’s thesis for investing in Cognition and the future of agentic software development.
News
Fireworks: the inference layer for the open model era
Bessemer Venture Partners joins Fireworks' $1.5B Series D, backing the leading training and inference platform for open models as the company crosses $1B in ARR.
Playbook
Building Vertical AI: An early stage playbook for founders
Essential insights and best practices for AI startups ambitious enough to reimagine technology across vertical industries.
Article
Inside Bessemer’s operating model
Dive into Bessemer’s origin story and how it shapes the way the firm makes investments today — embracing collaboration, intellectual honesty, and rethinking traditions.
Article
Part IV: Ten principles for building strong vertical AI businesses
In the final installment of the Vertical AI Roadmap, we share our investment framework and essential advice for founders on how to drive early-stage value and defensibility.