GOP Reps. Jim Jordan (Ohio), John Ratcliffe Texas), Mike Johnson (La.), Mark Meadows (N.C.), Debbie Lesko (Ariz.), Lee Zeldin (N.Y.), Elise Stefanik (N.Y.) and Doug Collins are set to play leading roles.

A statement from the White House said the lawmakers “have provided guidance to the White House team, which was prohibited from participating in the proceedings concocted by Democrats in the House of Representatives” throughout the House proceedings and would continue to do so in the Senate.

The lawmakers served as some of the president’s strongest allies during the House’s impeachment proceedings, adamantly defending the president’s dealings with Ukraine.