Calvyn Gardner

Before founding Sigma, Calvyn spent over twenty years holding executive positions at junior and major global mining companies. He was co-founder and managing partner of Hardac Investments, a private equity firm focused on investing in junior mining companies in Africa. Hardac’s major co-investors included Lazare Kaplan International in New York (one of DeBeers’ largest customers in the US) and Mvelaphanda Holdings (South Africa’s largest Black Economic Empowerment Group) in Johannesburg. Calvyn was also General Manager of Operations at Highveld Steel and the CEO of Trans Hex Group. He has an MBA from the University of South Africa and a Bachelor of Science Degree in Electrical Engineering from the University of the Witwatersrand.