Census Bureau Director Steven Dillingham, a Trump appointee who wore a “2020 Census” mask while swearing in to testify before a congressional hearing last year, is set to leave on Jan. 20, months before his term ends on Dec. 31.

Census Bureau Director Steven Dillingham wears a mask with the words “2020 Census” as he is sworn in to testify before a House Committee on Oversight and Reform hearing on the 2020 Census​ on Capitol Hill, Wednesday, July 29, 2020, in Washington. (AP Photo/Andrew Harnik)