José Mário dos Santos Mourinho Félix, known as José Mourinho (born 26 January 1963), is a Portuguese football manager and former football player who is the current manager of Chelsea. He is regarded by a number of players, coaches, and commentators as the world's best manager and as one of the greatest managers of all time. Mourinho began his involvement in professional football as a player in the Portuguese Second Division. He studied sports science in Technical University of Lisbon and attended coaching courses in Britain. In Lisbon, he worked as a physical education teacher and had spells working as a youth team coach, a scout, and an assistant manager. In the early 1990s, he became an interpreter for Sir Bobby Robson at Sporting Clube de Portugal and Porto in Portugal, and Barcelona in Spain. He remained at the Catalonian club working with Robson's successor Louis van Gaal.