Investment Stage

Focus Areas

About Investor

David Rubin is a Managing Director at the Merck Global Health Innovation Fund. He invests across healthcare and life sciences, spanning digital health, health IT, diagnostics, medical devices, biotech, and therapeutics, with activity commonly showing up from Series A through later growth rounds; his investment range is $100K–$5.0M. His background blends operating and investing: he has led portfolio and investment work in healthcare and previously held senior roles tied to Merck’s R&D ecosystem. He’s known for leaning into clinically anchored, data-heavy healthcare products that can survive real-world deployment, not just demo-day physics.