Aleksander Kwaśniewski, President of Poland (1995-2005); Chairman of the Board, Yalta European Strategy Štefan Füle, Commissioner for Enlargement and European Neighbourhood Policy, European Commission
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»