Mark Andrew Green is an American politician and diplomat who is the president, director and CEO of the Woodrow Wilson International Center for Scholars. Before joining the Wilson Center on March 15, 2021, he served as the executive director of the McCain Institute for International Leadership, and prior to that, as the Administrator of the United States Agency for International Development. He served in the Wisconsin State Assembly from 1993 to 1999, was a Republican member of the United States House of Representatives from 1999 to 2007, representing Wisconsin's 8th congressional district, ran unsuccessfully for governor of Wisconsin in 2006, and held the post of United States Ambassador to Tanzania from August 2007 until January 2009. Green served as president of the International Republican Institute from 2014 to 2017 and sits on the board of directors of the Millennium Challenge Corporation.

Steven Leslie Kagen is an American politician and physician who was the U.S. representative for Wisconsin's 8th congressional district from 2007 to 2011. He is a member of the Democratic Party. He was defeated in his bid for re-election in 2010 by Reid Ribble, who succeeded him on January 3, 2011. The district is located in the northeastern part of the state and includes Green Bay and Appleton.