David A. Kessler
David Aaron Kessler (born May 13, 1951) is an American pediatrician, attorney, author, and administrator (both academic and governmental) who served as Chief Science Officer of the White House COVID-19 Response Team from January 20, 2021 to May 2023. Kessler was the commissioner of the Food and Drug Administration (FDA) from 8 November 1990 to 28 February 1997.