April 27, 2018 was a lecture Terrorism and Antiterrorism in Contemporary Security Studies: Theory, Practice, and Policy with the participation of Brett Van Ess. Brett Van Ess is a PhD candidate in the King’s College London school of Security Studies, faculty of Social Science and Public Policy. He hold a Master of Arts degree in Security Studies from the Georgetown University School of Foreign Service, and studied international security at Johns Hopkins University as well as in Hawaii. In his professional career, Brett has analyzed security policies and contemporary military operations for different research institutes, and he has worked directly with defense and security organizations in various ways over more than ten years.