Doctor of Philosophy, University Natal, Durban, South Africa, 1981.
Lecturer, senior lecturer University Natal, 1977—1981. Associate professor Institute Behavioural Sciences University South Africa, Pretoria, 1982—1993. Visiting professor Department Paediatrics, University Witwatersrand, Johannesburg, 1993—1994.
Deputy director Center Epidemiological Research In Southern Africa, Medical Research Council, Pretoria, 1994—1996. Professor, head University Natal, Department Psychology, Pietermaritzburg, 1996—2001. Executive director, child youth family & social development Human Sciences Research Council, Durban, 2001.
Council member Professional Board Psychology, South African Medical & Dental Council, Pretoria, 1992—1994. Editor South African Journal Psychology, Johannesburg, 1992—1997. Science advisory committee Columbia University Southern African Fogarty Acquired Immune Deficiency Syndrome, Tuberculosis Training Program, Durban, since 1993.
Co-director Unit Study Child Development South Africa, Pretoria, 1994—2001. Chair Human Immunodeficiency Virus, Acquired Immune Deficiency Syndrome & STD Research Funding Committee, National Department Health, Pretoria, 1995—1997. Member, chairman Technology Steering Committee, Department Child & Adolescent Health, World Health Organization, Geneva, 1996—2001.
Council member Foundation Education, Science & Technology, Pretoria, 1996—1997. Executive committee South African Research Ethics Training Initiative, Pietermaritzburg, since 2001. Honorary fellow Department Psychiatry, University Melbourne, Australia, 2003—2006.
Advisory board South African Acquired Immune Deficiency Syndrome Vaccine Initative, Cape Town, South Africa, 2004—2007, Firelight Foundation, Santa Cruz, California, since 2005. Member Rhodes Scholarship Selection Committee Natal, 1998—2003, Essential National Health Research Committee, National Department Health, Pretoria, 1999—2004, Wellcome Trust Public Health & Tropical Medicine Fellowship Committee, London, since 2006, MAC Acquired Immune Deficiency Syndrome Fund Leadership Advisory Board, Columbia University & University of California at Los Angeles, New York City, since 2007, since 2007. Honorary research associate, department psychiatry University Oxford, England, since 2007.
Member Coalition on Children Affected by Human Immunodeficiency Virus, Acquired Immune Deficiency Syndrome, Toronto, Canada, 2005. Trustee StreetWise, Pretoria, 1990—1997. Member of American Psychological Association, Academy of Sciences South Africa, Society Research in Child Development.
Married Roaul Devereux Griesel, February 14, 1986 (deceased June 30, 2007). Children: Stefan Gerard Griesel, Ingrid Delle Griesel, Fleur Dwynne Griesel.