Dr Frédéric Sedel, MD, PhD, is co-founder and Chief Executive Officer of MedDay. He is a trained neurologist and neuroscientist. After completing his residency in Paris and his PhD at Ecole Normale Supérieure (Paris), he studied Inborn Errors of Metabolism (IEM) with Prof. Saudubray at the Necker Children’s Hospital (Paris). Between 2004 and 2013, Dr Sedel founded and coordinated the Neurometabolic Department of Pitié-Salpêtrière Hospital dedicated to treating adults with IEM. Dr Sedel has been part of the Reference Centre for Lysosomal Diseases, Vice President of the French Society for IEM, and President of the SSIEM European Adult Metabolic Group. He has published around 95 peer-reviewed articles, mostly dedicated to IEMs in adult neurology. He co-founded MedDay in 2011 with Guillaume Brion and became fully dedicated CEO in November 2013.