Thomas Westerman Wolf (born November 17, 1948) is an American politician and businessman who served as the 47th governor of Pennsylvania from 2015 to 2023. He previously served as chairman and CEO of his business, The Wolf Organization, and later as secretary of the Pennsylvania Department of Revenue from April 2007 to November 2008. A member of the Democratic Party, Wolf won his party's nomination for governor of Pennsylvania in 2014 and defeated Republican incumbent Tom Corbett in the general election by a margin of almost 10 percentage points. He was reelected in 2018. Wolf was succeeded as Governor by fellow Democrat Josh Shapiro in 2023.