Official Olympic Ambassadors for Great Britain

Official Olympic Ambassadors for Great Britain - Prince William, Kate Middleton Named Official Olympic Ambassadors for Great Britain. Prince William and Kate Middleton have added a new title to their resumes. The royal newlyweds along with William's brother, Harry -- have been named Official Ambassadors for the 900 Great Britain and Northern Ireland-based Olympic and Paralympic athletes competing in London's 2012 Olympic Games.