Leon Emanuel Rosenberg (March 3, 1933 – July 22, 2022) was an American physician-scientist, geneticist, and educator.
He served as chair of the department of human genetics and also as dean of the medical school of Yale University.
Subsequently, he served as the chief scientific officer (CSO) of the Bristol-Myers Squibb (BMS) Pharmaceutical Company from 1991 to 1998.
Thereafter, he spent 16 years at Princeton University as a lecturer at the rank of professor in the Department of Molecular Biology and in the Woodrow Wilson School of Public and International Affairs.
[13] He discovered new inherited disorders of organic acid metabolism (propionic and methylmalonic acidemia),[14] and defined key aspects of ornithine transcarbamylase deficiency leading to ammonia intoxication, including its mode of inheritance and mechanism of the enzyme's transport to mitochondria.