Mark is an experienced Medicinal Chemist and was previously a Senior Scientist at Roche Pharmaceuticals, where he led the nucleoside chemistry efforts. Mark received his PhD from the University of Manchester Institute of Science and Technology (UMIST) and completed postdoctoral research at the University of Illinois. Mark is Director of Medicinal Chemistry at the Sarafan ChEM-H Institute and the Innovative Medicines Accelerator at Stanford University and serves on the grant review committee for the Leukemia & Lymphoma Society’s Translational Research Program.