Ivan Selin is an American businessman known for co-founding the technology and management consulting firm American Management Systems in 1970. He was also a former Chairman of the Nuclear Regulatory Commission and Under Secretary of State for Management. Ivan Menezes was an Indian-British-American former CEO of Diageo, a British multinational alcoholic beverage company. Lastly, Ivan Glasenberg is the South African former CEO of Glencore, one of the worlds largest commodity trading and mining companies.