Raymond L. Barnhill is currently Professor of Pathology at the Institut Curie, and the Faculty of Medicine, University of Paris Descartes, Paris, France. Dr. Barnhill received his MD degree from Duke University and was a postdoctoral fellow and graduate student in the University of Oxford. He has trained as a dermatologist, anatomic pathologist, and dermatopathologist. His academic and research interests have largely been associated with the biology of melanocytic lesions and melanoma, but also all aspects of dermatopathology and more recently ophthalmic pathology. He has held major academic leadership appointments including Director of Dermatopathology at Brigham and Women’s Hospital and Children’s Hospital, Harvard Medical School, and Director of Dermatopathology (tenured professor) at Johns Hopkins University. Pr Barnhill has founded both the North American Melanoma Pathology Study Group and in 2007 the International Melanoma Pathology Study Group, of which he is currently President. He has also been an active member of the WHO Melanoma Program and the EORTC Melanoma Group and many other professional societies. In 2011, he received the Founder’s Award from the American Society of Dermatopathology. Pr Barnhill is the author of a substantial number of original articles, chapters and reviews, and the author, co-author, or editor of five books, including three leading textbooks in dermatopathology and the pathology of melanoma.