Jackson’s team The last remaining Democratic Commissioner is Kara Stein, whose term recently expired but was allowed to stay until her replacement was found. Jackson will take her place. The White House has also nominated Republican Hester Pierce to fill one of the vacant commissioner’s seats. Once the Senate confirms this nomination, Pierce’s term will run until June 5, 2020. Pierce is expected to fill the seat formerly held by Luis Aguilar. Katherine Brunnet McGuire is currently the chief of staff to Rep. Randy Hultgren. She has also been in the Senate Health, Education, Labor and Pensions (HELP) Committee as a staff director under Sen. Mike Enzi, R-Wyo.