Roger F. Wicker has represented Mississippi in the United States Senate since December 2007. During his time in the Senate, Wicker has championed pro-growth policies to create jobs, limit federal overreach, protect life, and maintain a strong national defense.

Wicker is the ranking member of the Senate Committee on Commerce, Science, and Transportation for the 117th Congress. He served as chairman of the full committee during the 116th Congress after previously serving as the chairman of the Senate Commerce Subcommittee on Communications, Technology, Innovation, and the Internet.

Wicker is the second-highest ranking Republican member of the Senate Armed Services Committee. His other committee assignments include the Environment and Public Works Committee; and the Rules and Administration Committee.