Education
He competed at the 1976 Olympics and 1978 World Cup, where his teams finished in fourth and second place, respectively.
He competed at the 1976 Olympics and 1978 World Cup, where his teams finished in fourth and second place, respectively.
He retired from competitions the same year. Between 1975 and 1978 Jorritsma played 65 international matches and scored 1 goal. Jorritsma was the national field hockey coach in 1987–1990 and 1991–1993.
After that he headed the national teams of South Africa and Pakistan, and in 1996 was appointed as the manager of the Dutch association football team