Paul S. Yamauchi, MD, PhD, practices at the Dermatology Institute and Skin Care Center and is on staff at St. John’s Hospital in Santa Monica and the Ronald Reagan Hospital at the UCLA Medical Center. He is a clinical assistant professor of medicine at the David Geffen School of Medicine at UCLA and adjunct associate professor at the John Wayne Cancer Institute. Dr. Yamauchi serves as a principle investigator in several studies of psoriasis, skin cancer, rejuvenation, rosacea, eczema, and acne. He is a key opinion leader in psoriasis and speaks extensively on new advances in the treatment of psoriasis and other dermatologic conditions. He has written several articles on the use of botulinum toxins and fillers for rejuvenation and other indications as well as advances in laser treatment. Dr. Yamauchi serves on the editorial board of the Scientific World Journal and has authored numerous publications. He has published extensively on new advances in the treatment of psoriasis as well as on topics of acne, eczema, skin manifestations associated with rheumatologic conditions, and hyperhidrosis.