Lieutenant Colonel Dennis P. Chapman has several years of experience in reserve component mobilization, having previously served as Chief, Mobilization Branch, National Guard Bureau (NGB); as a mobilization officer responsible for brigade combat team mobilizations at NGB; as assistant deputy for operations working mobilization reform issues with Army National Guard Personnel Policy and Readiness Division; as operations officer and brigade operations staff officer (S3) for 2d Brigade, 75th Division (Training Support); and as force integration and readiness officer, Michigan Army National Guard.

LTC Chapman has served two combat deployments, including one to Iraq as Chief of the Military Transition Team assigned to 3rd Brigade, 4th Iraqi Division and service in Somalia during Operation Restore Hope with 2d Battalion, 87th Infantry, 10th Mountain Division. Other assignments include service as Assistant Professor of Military Science, Michigan State University, and company command with Alpha Company, 3d Battalion, 126th Infantry, Michigan Army National Guard. Other assignments with 3-126IN included Support Platoon Leader and Battalion S4. LTC Chapman began his military career as an infantry lieutenant with 2d Battalion, 87th Infantry, 10th Mountain Division, serving as rifle platoon leader, company executive officer, support platoon leader, battalion personnel staff officer (S1) and assistant S3.

A 1990 graduate of the United States Military Academy, LTC Chapman also holds a Juris Doctor degree from Thomas M. Cooley Law School and is a member of the State Bar of Michigan. His military education includes Command and General Staff College (RC); Combined Arms and Services Staff course (RC); Armor Officer Advanced Course (RC); and the Infantry Officer Basic Course