Giltner is a graduate student at the George H.W. Bush School of Government and Public Service at Texas A&M University. He is pursuing a track in National Security and Diplomacy, as well as concentrations in International Politics and Grand Strategy, Europe, and U.S. Defense Policy and Military Affairs. Giltner graduated summa cum laude with honors from the University of Central Florida in 2021, where he received a BA in International and Global Studies and a BA in History. He obtained minors in Global Peace and Security Studies and in Russian Studies.