Bachelor of Science (honorary), University Pretoria, South Africa, 1962. Master of Science, University Pretoria, South Africa, 1968. Doctor of Philosophy, University Port Elizabeth, South Africa, 1975.
Analytical chemist Peri Urban Areas Health Board, Pretoria, 1962-1964. Research officer Dairy Research Institute, Irene, South Africa, 1964-1968. Biochemist City of Vanderbylpark, South Africa, 1968-1970.
Lecturer University Port Elizabeth, 1970-1973. Senior lecturer/professor Rand Afrikaans University, Johannesburg, 1973-1980. Chief biochemist University Witwatersrand, 1981—2004.
Chief biomedical scientist Johannesburg Hospital, 1981—2004. Retired, 2004
Consultant clinical biochemist South African Medical and Dental Council, Pretoria, since 1985.
Member New York Academy of Sciences, International Federation Clinical Chemists, International Society Free Radical Research, South African Bio-chemical Society, South African Clinical Bio-chemical Society, South African Free Radical Society, South African Surgical Research Society.
Married Helena Johanna Jacobs, December 1, 1962. Children: Gilliaume J., Susanna M., Rencha A., Deirdré A.