David Koch, along with his brother Charles, owns the second largest private U.S. company, whose operations range from refining and chemicals to ranching and forest products. The brothers are known to spend heavily on conservative initiatives and to oppose government intervention in business.
David Koch will become director emeritus of Koch Industries, CNBC said https://www.cnbc.com/2018/06/05/billionaire-david-koch-to-retire-from-koch-industries-political-group.html.
The company was not immediately available for comment.
(Reporting By Aparajita Saxena in Bengaluru; Editing by Saumyadeb Chakrabarty)