Dr. Hristoulasis a professor of international relations ITAM. He is also the coordinator of the diploma course on national security at the same institution. He is a member of the National System of Researchers, Level I. He received his Ph.D. in political science from McGill University in 1996. Before moving from Canada to Mexico, he was the military and strategic studies postdoctoral fellow at the Norman Paterson School of International Affairs. He has published extensively on Mexican national security policy, Canadian foreign policy, and North American security cooperation.