Robert McKinnon Califf (born 1951) is an American cardiologist who currently serves as the 25th Commissioner of the Food and Drug Administration. He was first nominated to be commissioner in September 2015 by President Barack Obama and he was confirmed by the U.S. Senate in February 2016, serving until January 20, 2017. President Joe Biden renominated Califf to head the Food and Drug Administration on November 12, 2021. He was confirmed by the Senate of February 15, 2022. Prior to becoming commissioner he had served as the Deputy Commissioner of the United States Food and Drug Administration's Office of Medical Products and Tobacco since January 2015. In 2019, he became head of medical strategy at Google parent company Alphabet Inc.
