Safo, member of the Parliament of Ghana Abdul Kady Karim, 2007 candidate for President of Sierra Leone Camillo Gonsalves, Permanent Representatives of Saint Vincent and the Grenadines to the United Nations Vidar Bjørnstad, Member of the Norwegian Parliament Marcin Święcicki, Mayor of Warsaw, Poland Dianne Haskett, Mayor of London, Canada Donald Stone Macdonald, Mayor of Gwangju, South Korea Diplomacy U.S. Ambassadors Rebecca Gonzales, current U.S. Ambassador to Lesotho Robin Bernstein, former U.S. Ambassador to the Dominican Republic Christine A. Elder, former U.S. Ambassador to Liberia Joseph Prueher, former U.S. Ambassador to China Nelson T. Johnson, former U.S. Ambassador to China and Australia Patrick J. Hurley, former U.S. Ambassador to China and New Zealand James R. Lilley, former U.S. Ambassador to China and South Korea Stephen W. Bosworth, former U.S. Ambassador to Tunisia, Philippines, and South Korea John J. Muccio, former U.S. Ambassador to Guatemala, Iceland, South Korea Michael Punke, former U.S. Ambassador to the World Trade Organization Kurt Volker, former U.S. Ambassador to NATO David M. Kennedy, former U.S. Ambassador to NATO William Tapley Bennett Jr., U.S. Ambassador to NATO Catherine M. Russell, former U.S. Ambassador-at-Large for Global Women's Issues Patricia Roberts Harris, former U.S. Ambassador to Luxembourg Wiley T. Buchanan Jr., former U.S. Ambassador to Luxembourg and Austria John Cloud, former U.S. Ambassador to Lithuania and Germany Thomas A. Loftus, former U.S. Ambassador to Norway Edward W. Gnehm, former U.S. Ambassador to Jordan, Kuwait and Australia George W. Guthrie, former U.S. Ambassador to Japan Robert Daniel Murphy, former U.S. Ambassador to Japan and Belgium Carol Z. Perez, former U.S. Ambassador to Chile William Miller Collier, former U.S. Ambassador to Chile and Spain Alexander W. Weddell, former U.S. Ambassador to Argentina and Spain John H. Wheeler, former U.S. Ambassador to Nicaragua Cresencio S. Arcos Jr., former U.S. Ambassador to Honduras Charles A. Ford, former U.S. Ambassador to Honduras Frank Almaguer, former U.S. Ambassador to Honduras Morris D. Busby, former U.S. Ambassador to Colombia William Braucher Wood, former U.S. Ambassador to Colombia and Afghanistan Charles Taylor Manatt, former U.S. Ambassador to Dominican Republic Raul Yzaguirre, former U.S. Ambassador to Dominican Republic Donna Hrinak, former U.S. Ambassador to Dominican Republic, Bolivia, and Venezuela George W. Landau former U.S. Ambassador to Paraguay, Chile, and Venezuela James M. Derham, former U.S. Ambassador to Guatemala Frank V. Ortiz, former U.S. Ambassador to Uruguay, Guatemala, Barbados, Peru, and Argentina Richard C. Brown, former U.S. Ambassador to