Currently acting Deputy Vice Chancellor at the University of Cape Town (UCT).
Completed a BSc degree in Geology and Geochemistry from Stellenbosch University, 1975, a BSc Honors in Geochemistry from UCT in 1976 and a PhD in Geochemistry from UCT in 1980. Held a Post-doctoral Fellowship at the Woods Hole Oceanographic Institution, Massachusetts USA 1980-1981. Appointed as a Research Officer in the Department of Geochemistry UCT 1982-1985, and then appointed as Lecturer in 1986 and moved through the ranks to Associate Professor in the Department of Mineralogy and Geology, UCT. Promoted to Professor of Geochemistry, Department of Geological Sciences UCT 1997-. Held a Visiting Professorship, University of Hawaii, 1989-1990. Served as Head of Department of Geological Sciences, UCT 1991 through 2005; Deputy Dean, Faculty of Science, UCT 2001-2010; Dean of the Faculty of Science 2011 to 2017; and Acting Deputy Vice Chancellor, UCT 2018 -. Research interests include the geochemistry of volcanic rocks from the ocean basins, the geochemistry and chemical evolution of the Earth’s deep mantle, and the origin of alkaline magmas, including kimberlites, from continental regions and ocean islands.