(b Stockholm, 16 Jun. 1943)
Swedish dancer. He is the son of Birgit Cullberg and actor Anders Ek; brother of choreographer Mats Ek. He studied with Donya Feuer in Stockholm and in New York with Graham and Cunningham. After dancing briefly with Cunningham's company he worked with Cullberg Ballet (1967–72), then Ballet of the 20th Century (1972–5), then again with Cullberg. A versatile dancer with an extremely powerful personality he continued performing in his fifties, dancing with Nederlands Dans Theater 3 and partnering Guillem in M. Ek's film dance Smoke (1995). From the 1990s he also pursued an acting career in film, television, and theatre.