Yiannis (Ioannis) Exarchos - Γιάννης (Ιωάννης) Έξαρχος (1 June 1964) is a Greek television executive and sports broadcasting professional, serving since 2012, as the CEO of Olympic Broadcasting Services (OBS), an organisation created by the International Olympic Committee (IOC) to serve as the permanent host broadcaster for all Olympic, Youth Olympic Games and other events organized by the IOC. He was appointed to this position following the Olympic Games London 2012, after having served as a top executive for all Olympic host broadcasting organisations since Athens 2004. In 2015, he was also named Executive Director of Olympic Channel Services (OCS).