The Center for Diplomatic and Strategic Studies (French: Centre d'Etudes Diplomatiques et Stratégiques, CEDS) is an accredited postgraduate school and a think tank in diplomacy and international relations headquartered in Paris. CEDS is the graduate and doctoral school of the Écoles des hautes études internationales et politiques (HEI-HEP), founded in 1899 by Émile Durkheim, Charles Seignobos, and Romain Rolland. In 1986, Pascal Chaigneau (HEC School of Management and Paris Descartes University), initiated CEDS as a specialized graduate school for officers, diplomats, and future executives. It is accredited as a Premier College by the (Accreditation Service for International Colleges.[3][4] It is the exclusive partner postgraduate school of the French Ecole Militaire.[5]