Ambassador (ret.) Norman Eisen is a senior fellow in Governance Studies at the Brookings Institution and a CNN legal analyst. He served as special counsel to the House Judiciary Committee for the Trump impeachment from February 2019 to February 2020. From January 2009 to January 2011, he served in the White House as special counsel and special assistant to the president for ethics and government reform for President Barack Obama. He also served as the U.S. Ambassador to the Czech Republic from 2011 to 2014.