Greg Witkop — SPARQNOW

At-a-Glance

Senior Advisor for Mental Health at Renaissance Philanthropy
Former Program Manager at Defense Advanced Research Projects Agency (DARPA)
Led DARPA's Invisible Wounds of War portfolio, developing neurobehavioral biomarkers and novel non-pharmacologic treatments
Dedicated to creating a St. Jude's for Suicide Prevention
Former U.S. Army Flight Surgeon and board-certified ophthalmologist

Biography

Greg Witkop is a surgeon–scientist with a focus on brain health, resilience, and suicide prevention. He is dedicated to creating a St. Jude's for Suicide Prevention, aiming to provide advanced care and develop next-generation cures for mental health, mirroring the impact of St. Jude's on pediatric cancers.

Witkop previously served as a Program Manager at the Defense Advanced Research Projects Agency (DARPA) from 2021 to 2025.