Bachelor in Physical Education cum. laude, University Pretoria, South Africa, 1978. Master of Arts in Physical Education cum. laude, University Pretoria, South Africa, 1982. Doctor of Philosophy, University Pretoria, South Africa, 1986.
Diploma in higher education cum laude, University Pretoria, South Africa, 1988.
Biokineticist 1 Military Hospital, Voortrekkerhoogte, South Africa, 1980—1983. Lecturer department human movement science University Pretoria, 1984—1988, senior lecturer, 1989—1995, associate professor department biokinetics, Sport & Leisure Sciences, 1996—2000, professor, since 2001, director Institute Sport Research, since 1996, head Department Biokinetics, Sport and Leisure Sciences, 2006. Board directors Sport Science and Information Agency, Pretoria, 1996—2005.
Lieutenant Medical Corp South African Army, 1980-1983.
Church council Afrikaans Protestant Church, Pretoria, 1995—2003. Chairman Central Cage Bird Club, Johannesburg, 1993—1995. Member of South African Sport Science Association (vice president 1998—2006), Mpumalanga Academy Sport (board directors 1998—2006), Gauteng Academy Sport 1997—2004, International Council Health, Physical Education, Recreation, Sport and Dance, South African Sports Medicine Assiciation, African Association Health, Physical Education, Recreation, Sport and Dance, International Council Physical Activity and Fitness Research.
Married Elmien Jordaan, April 30, 1958. Children: Andries Ernst, Christiaan Reinard.