Lionel Trottet, PhD is a DMPK Unit Manager, Drug Discovery chez Oncodesign in France. He has 20 years of expertise in Dermatology (dermal drug discovery, pharmacokinetics, PK/PD and formulation), 18 years of experience in general pharmacokinetics, drug metabolism and PK/PD, 13 years of experience as a DMPK representative in Drug Discovery projects, and 8 years of experience as a DMPK manager.Howard Maibach, MD is an expert in contact and occupational dermatitis and sees patients at the Environmental Dermatosis Clinic, which is part of the Dermatology Clinic at University of California, San Francisco (UCSF). His specialty is dermatotoxicology, or skin exposure toxicity; allergies and skin disorders; and dermatopharmacology or the study of medications for skin disorders. Dr. Maibach has been on the editorial board of more than 30 scientific journals and is a member of 19 professional societies including the American Academy of Dermatology, San Francisco Dermatological Society and the Internal Commission on Occupation Health. He is a professor in the Department of Dermatology at UCSF.