George Cotsarelis, M.D.

George Cotsarelis is the Albert M. Kligman Professor of Dermatology at the University of Pennsylvania.  He serves as the Director of the Program on Epithelial Regeneration and Stem Cells within the Penn Institute for Regenerative Medicine, and heads the University of Pennsylvania Hair and Scalp Clinic.  He serves as co-Principal Investigator of the Skin Disease Research Center.

As a medical student at Penn, Dr. Cotsarelis worked in the dermatology department where he identified epithelial stem cells in the cornea and then in the hair follicle.  After medical internship, he completed a combined research and clinical dermatology residency at the University of Pennsylvania and then a Howard Hughes sponsored postdoctoral research fellowship for physicians.  He joined the Dermatology faculty in 1996 and since then he has studied epithelial stem cells in the skin and hair follicle.  His research focuses on the role of epithelial stem cells in alopecia, wound healing and skin regeneration.