John Koster

John Marvin Koster (born September 8, 1951) is an American politician who served as a member of the Washington House of Representatives, representing the 39th district from 1995 to 2001 and again in 2017. A member of the Republican Party, he previously served as a member of the Snohomish County Council, representing the 1st district from 2002 to 2014.