John Koskinen

John Andrew Koskinen (born June 30, 1939) is an American businessman and politician. He was the non-executive chairman of Freddie Mac from September 2008 to December 2011. He was the Commissioner of Internal Revenue from 2013 to 2017. 

References

Category:1939 births
Category:Living people
Category:Politicians from Cleveland
Category:Businesspeople from Cleveland
Category:Democratic Party (United States) politicians
Category:Commissioners of Internal Revenue