ICME-15 wishes to thank our Ambassadors for their
ongoing support
 Olive Chapman University of Calgary Canada |  Jean-Luc Dorier ICMI Secretary General Switzerland |  Bruce Ferrington Canberra Mathematical Association Australia |  David Gomez Chile |
 Peter Howley International Statistical Institute Australia |  Lee Hyland Mathematical Association on New South Wales Australia |  Berinderjeet Kaur Singapore |  Barry Kissane Murdoch University Australia |
 Gilah Leder Monash University Australia |  Frederick K. S. Leung ICMI President Hong Kong |  Katie Makar University of Queensland Australia |  Cristina Ochoviet National Administration of Public Education Uruguay |
 Ng Oi-Lam The Chinese University of Hong Kong Hong Kong |  Sitti Patahuddin University of Canberra Indonesia |  Cheryl Praeger University of Western Australia Australia |  Cristina Sabena University of Turin Italy |
 Patrick Scott New Mexico State University USA |  Yoshi Shimizu Tsukaba University Japan |  Matt Skoss Mathematics Teachers Association of the NT (MTANT) Australia |  Moustapha Sokhna Cheikh Anta Diop University Dakar Senegal |
 Steve Thornton University of Canberra Australia |  Peter Sullivan Monash University Australia |  Nada Vondrova Czech Republic |  Margaret Walshaw New Zealand |
