BA; MA and doctorate, universities of Stellenbosche and South Africa. 1990, Co-Founder, Institute for Defence Policy, which later became Institute for Security Studies (ISS); 1993, Executive Director, ISS. Extraordinary Professor, Department of Political Sciences, Humanities Faculty, University of Pretoria. Member, International Advisory Board, Geneva Centre for Security Policy. Independent Non-Executive Director, South African Banking Risk Information Centre. Jacobus published, edited and contributed to many journals, books and other publications. He received the Bronze Medal of the South African Society for the Advancement of Science and a H Bradlow Research Bursary.