Roger-WickerRoger Wicker (United States) has served as the Chair of the OSCE Parliamentary Assembly's Committee on Political Affairs and Security since November 2014.

Wicker joined the U.S. Congress in 1995 to represent Mississippi's First Congressional District in the House of Representatives. He was appointed to the Senate in 2007, winning a special election the following year and re-election in 2012. He currently serves as the Co-Chair of the Commission on Security and Cooperation in Europe (U.S. Helsinki Commission).

Within the U.S. Senate he is a member of the Armed Services Committee; the Budget Committee; the Commerce, Science, and Transportation Committee; the Environment and Public Works Committee; and the Rules Committee.