On 13 August 2025, Colonel Daniel J. Herlihy assumed command of the Great Lakes and Ohio River Division (LRD), U.S. Army Corps of Engineers (USACE).
As the Division Engineer, he serves as the senior military officer in the division, headquartered in Cincinnati, Ohio. The division delivers engineering and water resource solutions for the Great Lakes and Ohio River region, covering 335,000 square miles and parts of seventeen states. The division’s civil works mission provides planning, construction, and operation of navigation structures and flood damage reduction, hydropower, environmental restoration, water management, recreation, and disaster response. LRD also executes military construction in Ohio, Kentucky, Indiana, Illinois, and Michigan, involving designing and constructing barracks, hospitals, airfields, and family housing on military installations. LRD consists of seven districts in Chicago, Detroit, Buffalo, Huntington (WV), Louisville, Nashville, and Pittsburgh.
COL Daniel J. Herlihy earned his commission through the Reserve Officer Training Corps (ROTC) at Tennessee Technological University in 2001. During his years as a commissioned officer, he served in command and staff positions in the United States, the Middle East, and Central Asia.
His tours of duty with tactical units include the: 37th Engineer Battalion, 20th Engineer Brigade; 92nd Engineer Battalion, 3rd Infantry Division; Engineer Squadron, United States Army Special Operations Command; 37th Brigade Engineer Battalion, 82nd Airborne Division; HQ, and 20th Engineer Brigade, XVIII Airborne Corps. He has also enjoyed broadening assignments throughout his career to include Executive Officer to the XVIII Airborne Corps Commander and Seminar Leader at the School of Advanced Military Studies. At the operational level, COL Herlihy served as the Executive Officer to the Commander, United States Central Command.
COL Herlihy’s USACE experience includes service as the Deputy Commander and Deputy District Engineer for the New England District, U.S. Army Corps of Engineers. While in New England, COL Herlihy also deployed to Deveselu, Romania in support of Europe District for the Aegis Ashore Romania project.
COL Herlihy holds a Bachelor of Science in Civil and Environmental Engineering from Tennessee Technological University, a Master of Science in Civil Engineering from the University of Missouri for Science and Technology, and a Master of Arts in Strategic Studies from the U.S. Army School of Advanced Military Studies.
COL Herlihy is a Project Management Professional and a licensed Professional Engineer.