Dr Guillaume Brion, MD, is co-founder and Chief Operating Officer of MedDay. He trained as a physician at the Paris Medical School and in pharmaceutical marketing, and he founded and developed service companies in the field of clinical development for the pharmaceutical industry. He gained broad experience in setting up and managing more than 200 clinical trials from first human administration to large multi-center, multi-national pivotal clinical trials at Groupe de Recherche et d’Etudes Scientifiques (GRES), TARS, Versus Clinical Research Services and Farma Research, all CROs dedicated to early clinical development. He has held business development positions at UCTi and MCBio (Merieux Centralized Biology), both central laboratory services companies. From 2007 he worked as a clinical research physician and medical analyst, Business Development at Orphan Europe, part of Recordati Group. He co-founded MedDay with Frédéric Sedel in 2011 to accelerate development of new drugs for diseases of the nervous system with high unmet medical need.