Dr. Denis Jullien is Professor of Dermatology and Head of the Department of Dermatology, Hôpital Edouard Herriot, Hospices Civils de Lyon, University of Lyon, in Lyon, France. Professor Jullien received his medical degree, PhD, and postdoctoral qualification from University Claude Bernard Lyon I (UCBL-I), having trained as a research fellow in the Department of Dermatology at the University of California, Los Angeles under Dr. Robert L. Modlin. He completed his residency at one of UCBL-I affiliated teaching hospitals, becoming certified in Dermatology and Venereal Diseases in 1997. Professor Jullien’s research and clinical interests focus primarily on inflammatory skin diseases (notably psoriasis) and the skin immune system. He was involved in the first human hand allograft project. Professor Jullien holds professional memberships with the French Society of Dermatology and College des Enseignants de Dermatologie. He also serves on the Scientific Board of the French Society of Dermatology, the Scientific Board and Steering Committee of the French Psoriasis prospective observational cohort PsoBioteq, and the Scientific Board of the Psoriasis Group of the French Society of Dermatology. Professor Jullien has also published a number of articles, and several chapters in textbooks, many of which focus on the pathogenesis and treatment of psoriasis, in a variety of international peer-reviewed journals, including The Lancet, Journal of Immunology, Journal of Clinical Investigation, Journal of Investigative Dermatology, Journal of the American Academy of Dermatology, and Journal of the European Academy of Dermatology and Venereology, among others.