This articles describes three models which played a key role in the evolution of the International Olympic Committee (IOC) and all the organizations which contribute to the staging of the Olympic Games and constitute the Olympic System, from its beginnings in 1894 to the present day. This evolution and the addition of many stakeholders has increased the complexity of the management of the Olympic System over the years from pure Olympic administration (when the IOC headquarters moved to Lausanne in 1915) to Olympic network governance which must take into consideration more than 24 types of stakeholders, including goverments and intergovernmental organizations.