He is a member of the American Bar Association, the Council of the American Law Institute, the Order of the Coif, The Missouri Bar, the Bar Association of Metropolitan St. Louis and the Psi Upsilon fraternity. Additionally, he served as chairman of the Corporation, Banking and Business Law Section of the American Bar Association. He is a fellow of the American Bar Foundation and an Honorary Fellow of the American College of Trial Lawyers. He served as co-chairman of the Homeland Security Advisory Council. In 2009, he was named to head an independent investigation of the FBI's actions surrounding the Fort Hood shooting.