About David Sontag
David Sontag is a president and director at Layer Health.
Experience
This experience comes from SEC filings. The years are when the filings name David Sontag in the role, so the role may have started earlier or lasted longer.
Key Colleagues at Startups
The people David Sontag works with at each company, as listed on that company's latest Form D.
Layer Health, Inc. · Form D/A, Dec 18, 2025
LK
Lynne O'Keefe
Director
AP
Anthony Philippakis
Director