David Koch to retire due to poor health

Updated June 6 2018 - 3:06am, first published 1:09am
David Koch is stepping down from business and political activities he shares with brother Charles.
David Koch is stepping down from business and political activities he shares with brother Charles.

Conservative billionaire industrialist David Koch is retiring from his roles at Koch Industries and associated companies due to poor health, according to an internal memo seen by Reuters.

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