[1] Jackson's job included advising Trump on public health policy.

On December 4, 2020, the transition team of the incoming Biden administration announced that Anthony Fauci, then the director of the National Institute of Allergy and Infectious Diseases, would serve in the role.

[3][4][5][6][7] Fauci stepped into the job on January 21, 2021, the day after Biden took office.

Fauci advised on public health policy related to the COVID-19 pandemic.

[8] In December 2022, Fauci stepped down from his position as announced 4 months earlier.