Rachael A. Clark, the Cecilia M. Hepp Assocaite Professor of Dermatology at Harvard Medical School, is a physician scientist, a human immunologist, and Director of the NIH funded Human Skin Disease Research Center. Her research focuses on the study of T cell responses in skin and other peripheral tissues. Her studies, carried out on human cells and tissues, have the goals of developing novel therapies for skin disease while at the same time advancing our understanding of human immune responses.