Barend is Executive Chairman of De Beers Consolidated Mines and represents the De Beers Family of Companies in South Africa. In the past decade Barend has had a wide involvement in De Beers Family of Companies. He is also a director of De Beers Societè Anonyme. He is a shareholder in Ponahalo Capital who owns a 50% stake in Ponahalo Investments, the black economic empowerment partner of De Beers Consolidated Mines.