He began his career as an Army General Medical Officer, at Ft. Jackson, SC in 1977. In 1980 he joined the staff of the U.S. Army Research Institute of Environmental Medicine in Natick, MA where he was the Occupation Medicine Division Chief. In 1994 he transitioned to the Army Center for Health Promotion and Preventive Medicine where he became the Director of Epidemiology and Disease Surveillance. He served 21 years on active duty and retired as a Colonel in 1998. He subsequently joined the staff of the Centers for Disease Control and Prevention where he managed the Motor Vehicle Injury Prevention Program. View more.