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
Olympic Games city hosting the next Olympic Games. The next host nation then also briefly introduces itself with artistic displays of dance and theatre representative of its culture. As is customary, the last medal presentation of the Games is held as part of the closing ceremony. Typically, the men's marathon medals are presented at the Summer Olympics, while the cross-country skiing mass start medals are awarded at the Winter Olympics. A medal ceremony is held after each Olympic event is concluded. The winner, second and third-place competitors or teams stand on top of a three-tiered rostrum to be awarded their respective medals.