Lieutenant General Costanza assumed duties as the Commanding General of V Corps on 08 April 2024. He most recently served as the Deputy Commanding General of United States Army Europe – Africa and prior to that served as the Commanding General of the 3rd Infantry Division. 

Lieutenant General Costanza received his commission in the Armor Branch from the United States Military Academy at West Point in 1991. He holds a Masters Degree in Military Studies from American Military University and in Advanced Military Studies from the United States Army Command and General Staff College. 

He has commanded units from company to brigade. Command assignments include: M Company, 3d Squadron, and Regimental Headquarters and Headquarters Troop, 3d Armored Cavalry Regiment, Fort Carson, Colorado; 1st Squadron, 7th Cavalry Regiment, 1st Brigade Combat Team, 1st Cavalry Division, Fort Hood, Texas; and 3d Armored Brigade Combat Team, 3d Infantry Division, Fort Benning, Georgia. Other assignments include Deputy Chief of Staff, G-3/5/7, United States Army Forces Command; Plans Officer, Combined Joint Task Force-7, V Corps; Aide-de-Camp to the Commanding General, Multi-National Security Transition Command-Iraq; Deputy G-3 (Rear), 1st Cavalry Division, Fort Hood, Texas; Chief, Armor Branch, Officer Personnel Management Directorate, United States Army Human Resources Command, Fort Knox, Kentucky; Senior Service College Fellow, Texas A&M University; Director, Concepts Development Division, Capabilities Development and Integration Directorate, United States Army Maneuver Center of Excellence, Fort Benning, Georgia; Chief of Staff, 1st Armored Division, Fort Bliss, Texas; Deputy Commanding General (Support), 1st Armored Division, Fort Bliss, Texas and Operation Inherent Resolve; and Director of Training, Office of the Deputy Chief of Staff, G-3/5/7, Headquarters, Department of the Army. 

Lieutenant General Costanza’s operational deployments and combat tours include Operation Joint Guard - Bosnia/Herzegovina, Operation Iraqi Freedom, and Operation Inherent Resolve.

His military education includes the Armor Officer Basic Course, the Infantry Officer Advance Course, United States Army Command and Staff College, the School of Advanced Military Studies, and Senior Service College Fellowship at Texas A&M University.

His awards and decorations include the Distinguished Service Medal, Defense Superior Service Medal, Legion of Merit (5 awards), Bronze Star Medal (5 awards), Ranger Tab, Combat Action Badge, and Basic Parachutist Badge. He has two children Claire and Emma.