Dr. Vlasuk is a scientifically trained executive with nearly 40 years of leadership experience in drug discovery and development at small and large biotechnology and pharmaceutical companies. Previously, he served as President, CEO and CSO of Navitor Pharmaceuticals, Inc., and currently serves as a board member and consultant. Vlasuk is also on the boards of Nimbus Therapeutics and Riparian Pharmaceuticals as well as a consultant and scientific advisor to several biopharmaceutical companies. Before joining Navitor, Vlasuk served as CEO of Sirtris, a GlaxoSmithKline Company. Prior to Sirtris, he was Vice President, Metabolic Disease and Hemophilia Research, at Wyeth Pharmaceuticals. Vlasuk also served as Chief Scientific Officer and Executive Vice President of Research and Development at Corvas International, prior to the merger of Corvas and Dendreon Corporation.