Alex Rampell

Alex Rampell

VC

General Partner, Andreessen Horowitz

Fintech-focused GP at a16z, serial founder

United States$5M–$50M checks8 notable investments
SeedSeries ASeries B+
FintechCommerceConsumerInfrastructure

Background

Alex Rampell is a General Partner at Andreessen Horowitz, where he leads fintech investing. Before joining a16z in 2015, he founded or co-founded multiple companies including TrialPay (acquired by Visa), FraudEliminator (merged into SiteAdvisor, acquired by McAfee), and co-founded Affirm with Max Levchin. He coined the term 'O2O' (online to offline) in 2010 and was an active angel investor pre-a16z. He led a16z's investments in Plaid, OpenDoor, and Mercury, and currently serves on boards including Branch, Earnin, Propel, Rocket Companies, SentiLink, and Wise.

Investment Thesis

Fintech startups can win by building distribution before incumbents can build technology; the core tension is innovation vs. distribution.

Investment Focus

Stages

SeedSeries ASeries B+

Typical check: $5M–$50M

Sectors

FintechCommerceConsumerInfrastructure

Based in: United States (North America)

Notable Investments

Last updated: Jun 11, 2026