 He served as a consultant for the Russian Archives Project of Primary Source Microfilms (Gale Group).From 2002 to 2005, Von Hagen was president of the International Association for Ukrainian Studies.Hagen served as the Emeritus Professor of history and global studies with a joint appointment in the School of History, Philosophy and Religious Studies and School of International Letters and Cultures in the College of Liberal Arts and Sciencesat Arizona State University.