Yuriy Boyko, Vice Prime Minister of Ukraine Leonid Kuchma, President of Ukraine (1994 – 2005) Gen. David H. Petraeus (US Army, Retired), Director, Central Intelligence Agency (2011 – 2012) Bill Richardson, 30th Governor of New Mexico (2003 – 2011); 9th United States Secretary of Energy (1998 – 2001); 21st United States Ambassador to the United Nations (1997 – 1998) Graham Tiley, Vice-President, Country Chair, Shell Ukraine Maxim Timchenko, Chief Executive Officer, Chairman of the Management Board, DTEK
Newt Gingrich
58th Speaker of the House of Representatives of the United States (1995-1999), 9th YES Annual Meeting, 2012
«Optimism has historically paid dramatically more in America than pessimism»