Doctor of Philosophy in Engineering, Stellenbosch University, South Africa, 2003.
Principal partner Wolhuter Associates Consulting Engineers, Stellenbosch, since 1989. Consultant Wolhuter Associates, Stellenbosch, since 1989. Lecturer Stellenbosch (South Africa) University, since 2002.
Member of Institute of Electrical and Electronics Engineers, South African Institute Electrical Engineers (senior ).
Married Adelaide Van der reyden, October 26, 1973. Children: Jeanette Holtzhausen, Adriaan.