Dr. Charles John Puza, MD, is a Medical Doctor at Memorial Sloan Kettering Cancer Center, New York, USA. He received his Medical Degree from Duke University School of Medicine. His research interests include Dermatology, Procedural Dermatology, Skin Cancer, Hair, Cosmetics, Skin Diseases, Stem Cell Transplantation, Cancer Research, Melanoma, Liver Tumors, and Evolutionary Biology.