Leon Rosenberg is Senior Molecular Biologist in the Department of Molecular Biology. His research is aimed at gaining a better understanding of the national enterprise that supports life sciences and medical research. He is currently studying the decline in “physician-scientists” and what has caused this change in the last several decade and how policy can be used to encourage more young physicians to become scientists. Before joining Princeton, Leon Rosenberg served Bristol-Myers Squibb as President of the Pharmaceutical Research Institute from 1991 to 1997, and as Senior Vice President of Scientific Affairs until February of 1998. Prior to joining Bristol-Myers Squibb, Dr. Rosenberg was Dean of the Yale University School of Medicine, a position he had held since 1984. Dr. Rosenberg currently serves on the Boards of Directors of the Lovelace Respiratory Research Institute, the Association for Patient-Oriented Research, Karo Bio AB, Medicines for Malaria Venture, and Hana Biosciences, Inc. He is a member of the National Academy of Sciences and the Institute of Medicine.