Chiarelli served as the 32nd Vice Chief of Staff of the Army, Military Assistant to Secretary of Defense Robert Gates. Chiarelli was responsible for the day-to-day operations of the Army and its 1.1 million active and reserve soldiers, including the oversight of many of the Army’s R&D programs, and the implementation of recommendations related to its behavioral health programs, specifically its Health Promotion, Risk Reduction and Suicide Prevention Program.

2013 Chiarelli received the Patriot Award, Congressional Medal of Honor.

Chiarelli holds a Bachelor of Science in Political Science from Seattle University, a Master of Public Administration from the Daniel J. Evans School of Public Affairs – University of Washington, a graduate of the National War College.