José Mário dos Santos Mourinho Félix born 26 January 1963, known as José Mourinho , is a Portuguese football manager and former football player, who is the current manager of English club Chelsea.He is regarded by a number of players, coaches, and commentators as one of the greatest and most successful managers in the world.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.