California Skin Institute - Santa Rosa - part of Schweiger Dermatology Group

Tian Hao (Henry) Zhu, MD is a board-certified dermatologist and fellowship-trained Mohs Micrographic and Reconstructive Surgeon specializing in the management and treatment of complex and high-risk skin cancers. A Bay Area native, Dr. Zhu obtained his bachelor's degree in molecular biology and immunology from University of California, Berkeley. He went on to attend the University of Southern California, Keck School of Medicine, during which time he spent a research year at UCSF Psoriasis and Skin Treatment Center.

Roger Friedenthal, M.D., F.A.C.S. is a diplomate of the American Board of Plastic Surgery. He attended the Yale University School of Medicine and received residency specialty training in surgery at the Stanford University School of Medicine and plastic surgery at the University of California San Francisco. He has been in private practice and was Chairman of the Department of Plastic Surgery at California Pacific Medical Center in San Francisco for over 16 years. He is a full Clinical Professor of Plastic Surgery at UCSF and continues to teach and mentor residents and medical students in plastic surgery and cosmetic surgery of the face and body.