Mariss Jansons, conductor of the Bavarian Radio Symphony Orchestra
Akinwumi Adesina, Director of the African Development Bank (BAD)
Olli Rehn, Governor of the Bank of Finland
Gerhard Schröder, former Federal Chancellor of Germany
Navid Kermani, Writer and Scholar
John Kornblum, former ambassador of the United States to Germany
Alexander Stubb, Finnish Minister of Finance
Johann Gudenus, member of the right-wing populist Freedom Party of Austria
Lech Walesa, former "Solidarnosc" unionist and later president of Poland
Juergen Boos, Director of Frankfurt Book Fair
Joachim Gauck, Former President of Germany
Federico Lombardi, Spokesman of the Holy See (Vatican)
Sir Simon Rattle, Conductor
Christian Ude, former Lord Mayor of Munich
Stephan Weil, Premier of Lower Saxony