Jonathan Sadow

Active Investor

Head of Product, Sportsbook at FanDuel

Atlanta, Georgia

Jonathan Sadow, Head of Product, Sportsbook at FanDuel is an active investor based in Atlanta, Georgia. This profile covers what Jonathan Sadow backs, at which stage, and how founders can reach out in 2026.

Mr. Jonathan Sadow co-founded & served as Chief Product and Technology Officer at Flex Index. He is an Angel Investor. He was previously a product leader on Google's Consumer Surveys team. Jon oversaw the global expansion of the Consumer Surveys and Opinion Awards products to more than 40 countries. He studied International Business and Finance at George Washington University.

Investor type: Angel
Stages: Early Stage VentureSeed
Invests in: SaaS & EnterpriseConsumer & RetailDeveloper Tools & DataCybersecurityGaming & EntertainmentMedia & ContentSports & FitnessMarketing & AdTech
Location: Atlanta, Georgia
Typical check: $375K
Past investments: 6

Notable investments

Hardfin · Full-timeMarco Experiences · Full-timePrideBitesVergo · Full-timeHardfinjscreen · Full-time

How to reach Jonathan Sadow

Angels and operators like Jonathan Sadow reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

Frequently Asked Questions

What does Jonathan Sadow invest in?

Jonathan Sadow invests in SaaS & Enterprise, Consumer & Retail, Developer Tools & Data and Cybersecurity, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.