Dr. George Cotsarelis, M.D., serves as a Member of Scientific Advisory Board at Follica, Inc. as well as an Advisor at PureTech Health plc. Dr. Cotsarelis serves as an Active Advisor to dermatology companies developing novel approaches to treating hair loss. He is Milton B. Hartzell Professor in the Department of Dermatology at the University of Pennsylvania. Dr. Cotsarelis serves as the Chairman of Dermatology at the University of Pennsylvania.  Dr. Cotsarelis co-founded Follica, Inc. in 2005 and is the Lead Inventor of Follica's platform technology. Dr. Cotsarelis' research led to the isolation and characterization of the expression pattern of stem cells from the bulge region of the follicle. Dr. Cotsarelis is a pioneer and foremost expert in epithelial stem cell biology. He has published over 40 peer reviewed journal articles and has several issued and pending patents based on his scientific discoveries. He has an active clinical practice at the hospital affiliated with the university. Dr. Cotsarelis holds an M.D. degree.