Background
Kirstein, Isabella Johanna was born in Bethulie, Republic of South Africa. Daughter of Jan Adriaan and Isabella Johanna (Janse v. Rensburg) Grobbelaar.
Kirstein, Isabella Johanna was born in Bethulie, Republic of South Africa. Daughter of Jan Adriaan and Isabella Johanna (Janse v. Rensburg) Grobbelaar.
Bachelor with honors, U. Orange Free State, Bloemfontein, Republic of South Africa.
Managing director, International Consumer Research (Pty) Ltd., 1959-1966; managing director, Media and Communications Research, 1966-1969; managing director, IPRA, 1969-1973; executive chairman, Intellectual Property Multimedia Subsystem International SA, Hillbrow, Republic of South Africa, 1973-1989; executive chairman, Decision Surveys International (Pty) Ltd., since 1989.
Fellow Royal Statistical Society. Member Federation Business and Professional Women's Club (chairman ad hoc committee), Soroptomists. F C.
Married Jan Gysbert Kirstein, February 4, 1972 (deceased 1977).