Steven M. Palazzo served as the U.S. Representative for Mississippi's 4th Congressional District from 2011 to 2023. He was a member of the Republican Party. During his time in Congress, Palazzo was a member of the House Appropriations Committee and also sat on the Homeland Security and Commerce, Justice, Science subcommittees. He also served on the Majority Whip team and was the Chairman of the Space Subcommittee.