Ivan Glasenberg (born 7 January 1957) is a South African business executive and former chief executive officer of Glencore, one of the world's largest commodity trading and mining companies. In December 2020 it was announced that Glasenberg will retire as chief executive by June 2021. Glasenberg has or had citizenship of South Africa and Australia. He became a Swiss citizen in 2011. He is also on the board of mining company Minara Resources Ltd.