Dr. Stein brings almost 40 years’ industry experience and a broad knowledge of biology, medicine and pharmaceutical science to Ranok. Over the course of his career, he played key roles in achieving FDA approval for eight drugs. He has also held senior positions in a number of leading biotech and pharmaceutical companies, including: CSO & President of R&D of Agenus; CEO of KineMed; President of F. Hoffmann-La Roche Palo Alto; President & CSO of Incyte Pharmaceuticals; EVP of Research & Pre-clinical Development of Dupont Merck Pharmaceuticals; CSO & SVP of Research of Ligand Pharmaceuticals; and Executive Director & Head of Pharmacology of Merck, Sharp and Dohme Research Laboratories. Dr. Stein received both his M.D. and Ph.D. in Physiology & Pharmacology from Duke University.