Carl Nathan, MD is the R.A. Rees Pritchett Professor and chairman of the Department of Microbiology and Immunology at Weill Cornell Medicine. After 18 years as co-chair of the Program in Immunology and Microbial Pathogenesis at Weill Graduate School of Medical Sciences of Cornell University, he became dean of the Graduate School in September 2017. 
After graduation from Harvard College and Harvard Medical School, he trained in internal medicine and oncology at Massachusetts General Hospital, the National Cancer Institute and Yale before joining the faculty of The Rockefeller University from 1977-1986. At Cornell since 1986, he has served as Stanton Griffis Distinguished Professor of Medicine, founding director of the Tri-Institutional MD-PhD Program, senior associate dean for research and acting dean.
Nathan is a member of the National Academy of Sciences, the National Academy of Medicine, the American Academy of Arts and Sciences, a Fellow of the American Academy of Microbiology, associate scientific director of the Cancer Research Institute, a governor of the Tres Cantos Open Lab Foundation, a member of the Board of Directors of the Tri-Institutional Therapeutics Discovery Institute, on the scientific advisory boards of the American Asthma Foundation and the Rita Allen Foundation and on the jury of the Lurie Prize. He served for ten years on the SAB of the Cambridge Institute for Medical Research and the Board of Trustees of the Hospital for Special Surgery. He has been an editor of the Journal of Experimental Medicine since 1981 and joined the editorial board of the Proceedings of the National Academy of Sciences in 2014. He was awarded the Robert Koch Prize in 2009 for his work on tuberculosis and the Anthony Cerami Award in Translational Medicine in 2013.