Dr. Sophia Kogan, MD
Dr. Kogan is co-founder and chief medical advisor at Nutrafol. Specializing in integrative hair health, she is an expert on the effects of botanicals, nutrition, and stress on follicle biology. Dr. Kogan created Nutrafol, along with co-founders Giorgos Tsetis and Roland Peralta, after experiencing thinning hair due to the stress of medical residency.