Greg Marcus

Greg Marcus, PhD (San Francisco, CA) is a practitioner, facilitator, and innovator of American Mussar, a 21st century spiritual practice for an authentic and meaningful life. He earned a BA in Biology from Cornell University, and earned his PhD in biology from MIT. Visit him online at www.AmericanMussar.com.

Greg Marcus, PhD (San Francisco, CA) is a practitioner, facilitator, and innovator of American Mussar, a 21st century spiritual practice for an authentic and meaningful life. He earned a BA in Biology from Cornell University, and earned his PhD in biology from MIT. Visit him online at www.AmericanMussar.com. See less