1986-1987: Teacher of Mathematics, Potchefstroom Gimnasium, Potchefstroom, South Africa
1988: Actuarial Assistant, Momentum Life, Pretoria, South Africa
1988- 1993: Operations Researcher/Statistician, ISCOR Ltd, Pretoria, South Africa
1994-1997: Lecturer, UNISA, Pretoria, South Africa
1995-1997: Part-time Lecturer, MEDUNSA, Pretoria, South Africa
1997-2000: Lecturer: Department of Statistics and Actuarial Science, Stellenbosch University, Stellenbosch, South Africa
1999-2000: Part-time Lecturer, University of Stellenbosch Business School, Bellville, South Africa
2000-2002: Senior Lecturer, Department of Statistics and Actuarial Science, Stellenbosch University, Stellenbosch, South Africa
2002-present: Associate Professor, Department of Statistics and Actuarial Science, Stellenbosch University, Stellenbosch, South Africa