Morné du Plessis is a former South African rugby union player often described as one of the Springboks’ most successful captains.
Du Plessis co-founded with Tim Noakes both the Sports Science Institute of South Africa in Cape Town, and the Bioenergetics of Exercise Research Unit of the University of Cape Town and the Medical Research Council (renamed UCT/MRC Research Unit for Exercise Science and Sports Medicine in 2000).