Dr. Castelli joined Amicus in July 2005 and currently serves as Chief Development Officer. He has over 20 years of experience in the Biotech and Orphan Drug industry, focused on rare disease research and development of medicines from discovery through market authorization. In his current capacity, he provides strategic leadership across all R&D activities, including direct oversight of Science, Clinical Research, and Medical Affairs. Previously at Amicus he has had responsibility for a number of different functions including program management, portfolio planning and the gene therapy business. Prior to joining Amicus, Dr. Castelli was a healthcare strategy consultant at Health Advances LLC and worked in business development at Neose Pharmaceuticals Inc. He received a B.S. from West Chester University and a Ph.D. from the University of Pennsylvania, and is an author on numerous publications and patents in the field of rare disease drug development.