Matt Brown
FinTech, B2B·Matrix
Bio
Professional summary
Matt Brown is listed by Matrix as focused on FinTech and B2B. The official Matrix team page associates him with Rainforest, Meadow, and Benny. His personal website says he invests in and helps early-stage startups at Matrix, focusing on fintech, vertical software, and adjacent areas. He previously led product at Afterpay, which was acquired by Square, and founded Bonsai, a vertical software and payments company, and Seiza, an HR technology company that was acquired. His website also states that he studied politics, economics, and philosophy at UC Berkeley and Oxford.
Investment focus
Stage, sector, and overall fit
Stage
Sector
Thesis
Notable companies
Selected portfolio companies the partner has backed
How to approach
Framing and angles for outreach
Pitch framing
Lead with embedded finance, payments, vertical SaaS, or workflow software that can expand into financial services.
Partneralization hooks
- 1Reference his founder/operator background at Bonsai, Seiza, and Afterpay when discussing product velocity.
- 2Connect the pitch to vertical software plus payments or fintech infrastructure.
Recent signals
What the partner has said or done recently
Personal website lists 2026 notes on fintech moats, vertical software, and computing.
Matrix official team page currently lists Matt under FinTech and B2B.
Background
Career, education, and skills
Career history
- Matrix PartnersPartnerPresent
Education
- University of California, BerkeleyUndergraduate degree
Skills
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