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Colonel Mark Toy, P.E.

Chief of Staff

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Colonel Mark Toy, P.E. is the Chief of Staff for the U.S. Army Corps of Engineers (USACE), an organization consisting of over 37,000 military personnel and civilian employees.  As the USACE Chief of Staff, he is responsible for leading, directing, coordinating, supervising, integrating and training over 900 personnel who provide engineering support to 250 Army and Air Force installations in more than 100 countries around the world.  Colonel Toy is the key integrator for focusing the efforts of the HQ staff, 9 Major Subordinate Commands/Divisions, 44 Engineer Districts, and 2 Centers and Laboratories to best accomplish the Commander's Intent.  He is the principal advisor to the Commanding General and the Deputy Commanding General.

Prior to his current USACE assignment, Colonel Toy served as the Commander and District Engineer for the Los Angeles District.  Colonel Toy led 844 military and civilian personnel operating throughout a 226,000 square mile area of California, Arizona, Nevada, and Utah. He controlled in excess of $1 billion annually executing a program of planning, engineering, construction, asset management, regulatory, emergency management, and environmental services for 3 Army and 8 Air Force installations, International and Interagency customers, and the nation’s civil water resources infrastructure in the Southwest. Colonel Toy maintained strong personal liaison with senior national civil works and military leaders, 54 members of Congress, 170 Native American tribes, 4 states and numerous local governments.

Colonel Toy commanded the 84th Engineer Battalion “Never Daunted” from July 2005 to June 2007 at Schofield Barracks, Hawaii. In December 2006, the battalion deployed for one year to Iraq for Operation Iraqi Freedom (OIF). As Battalion Commander, Colonel Toy led over 900 Soldiers, Sailors and Airmen in providing direct and general engineering support to Multi-National Corps Iraq in order to provide assured mobility and construction capability throughout Iraq. Upon redeployment, the 84th Engineer Battalion was awarded a Meritorious Unit Citation. For his service in the combat zone, Colonel Toy was awarded the Bronze Star Medal and the Combat Action Badge.

Some of his other key staff assignments have included: Chief, Engineer Branch, Officer Personnel Management Directorate, Human Resources Command, Alexandria, Virginia; Aide-de-Camp to LTG Robert B. Flowers, the 50th Chief of Engineers and Commanding General, U.S. Army Corps of Engineers, Washington D.C.; Secretary of the General Staff for the 25th Infantry Division (Light), Task Force Eagle, Multinational Division (North), Stabilization Force 11, Bosnia-Herzegovina; Assistant Professor of Environmental Engineering, Department of Geography and Environmental Engineering, United States Military Academy, West Point, New York; and Aide-de-Camp to MG Ernest J. Harrell, Commanding General, US Army Engineer Division Europe, USACE, Frankfurt, Germany.

Colonel Toy is from Huntington Beach, California. He graduated from the United States Military Academy at West Point in 1987 with a Bachelor of Science Degree in Operations Research. He holds a Masters Degree in Business Administration from Boston University (1991), a Master of Science Degree in Environmental Engineering from the University of California at Los Angeles (1996), and a Master of Science Degree in National Resource Strategy from the Industrial College of the Armed Forces (2010). He is a Registered Professional Engineer in the states of Arizona and Virginia.