AS, Kalamazoo (Michigan) Valley Community College, 1976; Bachelor of Science, Michigan State University, 1978.
Regional planner, Cheyenne-Laramie County Regional Planning Office, Wyoming, 1978-1980; city planner, City of Longmont, Colorado, 1980; transportation planner, County of Kalamazoo, Michigan, 1980-1981; transportation program director, Pikes Peak Area Council of Govts., Colorado Springs, Colorado, 1982-1986; transportation manager, Planning Research Corporation (now P&D Technologies), Colorado Springs, 1986-1987; general manager, Planning Research Corporation (now P&D Technologies), Colorado Springs, 1987-1989; director special transportation studies, Virginia Department Transportation, Fairfax, since 1989. Committee member Transportation Research Board, Washington, since 1983.
Served with United States Air Force, 1970-1974.
Married Rosemary Christoff, June 23, 1979.