Mohammad-Mahmoud Ould Mohamedou is the Deputy Director and Academic Dean at the Geneva Centre for Security Policy and Adjunct Professor in the International History Department at the Graduate Institute of International and Development Studies in Geneva. He is also Visiting Professor in the doctoral school at Sciences Po Paris.Timothy D. Sisk is Professor and Associate Dean for Research at the Josef Korbel School of International Studies, and steering faculty of the Sié Chéou Kang Center for International Security and Diplomacy, University of Denver, USA.