 Groff formally assumed the role of Senate President in January 2008, at the start of the legislative session.He is the highest-ranking African-American elected official in Colorado, and is the first to lead either chamber of the Colorado General Assembly.In the 2007 session of the Colorado Legislature, Groff was a member of the Senate Appropriations Committee, the Senate Legal Services Committee, and was the chair of the Senate State, Veterans & Military Affairs Committee.