Peter James Roskam (born September 13, 1961) is the U.S. Representative for Illinois's 6th congressional district, serving since 2007. He is a member of the Republican Party and served as the Chief Deputy Majority Whip from 2011 to 2014, ranking fourth among House Republican leaders. He has also served in the Illinois Senate and the Illinois House of Representatives. He currently serves as Chairman of the House Ways and Means Subcommittee on Oversight.