Dr Zimbler was a professor at the University of the Witwatersrand, Johannesburg, first in the School of Psychology and then in the university's Graduate School of Business Administration, where he ran MBA programmes. He later became an Executive Director of Investec Bank Plc. He is Director of the African Leadership Institute, a pan- African organisation that runs best-in-class leadership programmes for some of the most outstanding young future leaders of Africa. He is Chairman of the Ju/'hoansi Development Fund, a charitable organisation that is raising funds for the building of five entry-level schools for young Khoisan children in the Nyae-Nyae Conservancy of northern Namibia. His world-class library of some 8,000 works concerning the Bushmen is being donated as a collection to Magdalene College, Cambridge, where he is an Honorary Fellow.