Clerk to Honorable Marion T. Bennett, Judge, U.S. Court of Claims, (now the United States Court of Appeals for the Federal Circuit) (1972-1973). Chair, ABA Section of Public Contracts Law, 2000-2001. Chair, Steering Committee, D.C. Bar Government Contract & Litigation Section, 1992-1993. President, Court of Federal Claims Bar Association, 1994. Chair, U.S. Court of Federal Claims Advisory Council, 2006—.