Summer Olympic Games demand for tickets to all levels of each event, there was controversy when seats set aside for sponsors and National Delegations went unused in the early days. A system of reallocation was put in place so the empty seats were filled throughout the Games. Rio de Janeiro, Brazil hosted the 2016 Summer Olympics, becoming the third city in the Southern Hemisphere to host the Olympic Games after Melbourne, Australia, in 1956 and Sydney, Australia, in 2000, and the first South American city to host the Olympics. The preparation for these Games was overshadowed by controversies, including the instability of Brazil's
Australian Olympic Committee Susan O'Neill, (2000–2005), John D Coates (2001 – present), James Tomkins (2013–present) Australian Olympic Committee The Australian Olympic Committee (AOC) is the National Olympic Committee responsible for developing, promoting and protecting the Olympic Movement in Australia. The AOC has the exclusive responsibility for the representation of Australia at the Olympic Games (Summer and Winter), the Youth Olympic Games and at Regional Games patronised by the International Olympic Committee (IOC). All National Olympic Committees (currently 205 worldwide) are constituents of the International Olympic Committee. The Australian Olympic Committee is composed of 35 member National Sport Federations representing each sport on the