Sport in Australia governance models similar to that of other Australian sporting organisations with a federated model of governance. Changes were made the organisation ended up with an executive board with a president, two vice presidents, a secretary general and a 14-member executive board which had 10 elected members, 4 IOC members and 2 members of the Athlete's Commission. Australia has hosted the Olympics twice, in 1956 in Melbourne and in 2000 in Sydney. These were the first Games hosted in the southern hemisphere. Australia has been influential in the Olympic movement, with four Australian representatives who are members of the International Olympic
2016 Summer Olympics Session in Copenhagen, Denmark, on 2 October 2009. Rio became the first South American city ever to host the Olympic Games. These were the first games to be held in a Portuguese-speaking country, the first summer edition to be held entirely in the host country's winter season, the first since 1968 to be held in Latin America, and the first since 2000 to be held in the Southern Hemisphere. The lead-up to these Games was marked by controversies, including the instability of Brazil's federal government; the country's economic crisis; health and safety concerns surrounding the Zika virus and significant pollution