Oh Hyun-sup
Mayor of Yeosu, South Korea
Masaaki Kanda
Governor of Aichi, Japan
Toru Hashimoto
Governor of Osaka, Japan
Letizia Moratti
Mayor of Milan, Italy
Kadir Topbas
Mayor of Istanbul
Gavin Newsom
Mayor of San Francisco, USA
Peter Chin
Mayor of Dunedin, New Zealand
Boris Johnson
London Mayor
Jordi Hereu
Mayor of Barcelona, Spain
Gilberto Kassab
Mayor of São Paulo, Brazil