Vitali Klitschko, Mayor of Kyiv; Head of the “UDAR” Party Serhiy Taruta, Head, Donetsk Regional State Administration Sviatoslav Vakarchuk, Front Leader, “Okean Elzy”; Founder, Foundation “People of the Future”
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»