David Baltimore (born March 7, 1938) is an American biologist, university administrator, and 1975 Nobel laureate in Physiology or Medicine, he is a Professor of Biology at the California Institute of Technology, where he served as president from 1997 to 2006. He also serves as the director of the Joint Center for Translational Medicine, which joins Caltech and UCLA in a program to translate basic science discoveries into clinical realities. He served as president of the California Institute of Technology (Caltech) from 1997 to 2006, and is currently the President Emeritus and Robert Andrews Millikan Professor of Biology at Caltech. He also served as president of Rockefeller University from 1990 to 1991, and was president of the American Association for the Advancement of Science in 2007. Baltimore has profoundly influenced international science, including key contributions to immunology, virology, cancer research, biotechnology, and recombinant DNA research, through his accomplishments as a researcher, administrator, educator, and public advocate for science and engineering. He has trained many doctoral students and postdoctoral fellows, several of whom have gone on to notable and distinguished research careers. In addition to the Nobel Prize, he has received a number of awards, including the U.S. National Medal of Science in 1999. Baltimore currently sits on the Board of Sponsors for the Bulletin of the Atomic Scientists and is a consultant to the Science Philanthropy Alliance.