John Koskinen

John Andrew Koskinen (born June 30, 1939) is an American businessman and public official. He served as the non-executive chairman of Freddie Mac from September 2008 to December 2011, retiring from the board in February 2012. On December 20, 2013, Koskinen was confirmed by the U.S. Senate to head the Internal Revenue Service (IRS) as Commissioner of Internal Revenue. On December 23, 2013, Koskinen was sworn in as the 48th IRS Commissioner after being nominated by President Barack Obama. His term ended on November 12, 2017, with David Kautter becoming his interim replacement, followed by Charles P. Rettig as his permanent replacement.

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