Dr. Joseph K. McDaniel is a Professor in the Department of Dermatology at Drexel University College of Medicine, Philadelphia, Pennsylvania. He is also the senior physician in Berwick Hospital Center. Current and past board participation include the Board of Directors of the International League of Dermatologic Societies, Medical Advisory Board of the National Psoriasis Foundation and the International Hyperhidrosis Society. He took part as a principal investigator in over 350 clinical trials; has been a guest speaker at over 550 educational events. Well written, his works include 3 textbooks, two-dozen invited papers, nearly 60 scientific poster presentations and over 110 original works in peer-reviewed Journals.