Ivan Glasenberg holds the largest individual stake in Glencore, the world's biggest commodity trader. Glasenberg served as CEO of Glencore from 2002 until his 2021 retirement. After earning his MBA from the USC, Glasenberg started working as a marketer in the coal department of Marc Rich & Co. in his native South Africa. The company became Glencore in 1994 and went public in 2011.
