Brad Flora is a Group Partner at Y Combinator, where he has conducted over 3,500 office hours across 9 batches and works with early-stage startups to build successful companies. He is also an active angel investor with over 180 investments in his portfolio.

Brad earned a BA in English from Princeton University and an MS in Journalism from Northwestern University. He worked as a journalist contributing to Slate.com and founded Windy Citizen, a Chicago news aggregator that received funding from the Knight Foundation.

Brad co-founded and served as CEO of Perfect Audience, an ad retargeting platform that reached $20 million in sales within 18 months with just 14 employees. The company served major clients like Eventbrite, Atlassian, and New Relic, marketing to over a billion people.

Perfect Audience was funded by Y Combinator in 2011 and acquired by Marin Software for $25.5 million in 2014. Brad joined Y Combinator as a Visiting Group Partner in 2019 and was promoted to Group Partner in 2021.

As an angel investor, Brad has invested in over 150 startups globally, including companies like Substack, OpenSea, Razorpay, and Function of Beauty. He has focused on backing founders in emerging markets across Africa, India, and Latin America.