Bachelor in Economics with honors, Randse Afrikaanse University, Johannesburg. Master of Arts in History, Randse Afrikaanse University, Johannesburg. D litt et Phil, Randse Afrikaanse University, Johannesburg, 1980.
Professor history Randse Afrikaanse University, Auckland Park, 1990—2008. Research professor University Johannesburg, since 2009. President Economic History Society South Africa, Johannesburg, since 1993, IEHA, Utrecht, since 2010.
Executive committee International Economic History Association, Utrecht, Netherlands Antilles, since 2010.
Member of Australian & New Zealand Economic & Business History Association, South African History Association, South African History Society (council member 1981), Economics Society South Africa, European Business History Association, Business History Conference.
Married Hein Pienaar, April 4, 1981. Children: Willem, Hein, Ben Pienaar.