For 30 years, Dr. Jeff has trained athletes and the public teaching  exercise physiology, nutrition physiology and deprescription (reducing pills). A Yale and Stanford graduate, he served as the medical director of the San Francisco Marathon, consulted for CBS 60 Minutes "The Toughest Race", co-produced "Ultra Running" for The Late Show, and lectured at Google, Merrill Lynch, SanDisk, and others.  After receiving a standing ovation at SF Marathon TW talk July 21, 2023 and ‘best speaker we’ve had’ at Burlingame Rotary Jan 15, 2025, Dr Jeff is offering this talk at CBJ, as a gift to our community.