George Washington University

John W. Snow Lee Myung-bak Peter Pace William Barr ?–1977 Ghazi Mashal Ajil al-Yawer Shahid Khaqan Abbasi Mark Esper ?–2008 Gregory G. Garre Faure Essozimna Gnassingbé Mikheil Saakashvili Kolinda Grabar-Kitarović Chimediin Saikhanbileg Juan Guaidó Daniel Noboa ?–2022