Mark Penn

Mark J. Penn (born January 15, 1954) is an American former pollster, political strategist, lobbyist and author. He is a former executive of the Microsoft Corporation as well as of the PR firm Burson-Marsteller. Together with Doug Schoen, he was co-founder of the polling firm Penn Schoen Berland, whose clients have included U.S. President Bill Clinton, British prime minister Tony Blair, and Bill Gates. Penn was a chief strategist and pollster in the Hillary Clinton 2008 presidential campaign. Since Trump became president, Penn has been known for his pro-Trump punditry and criticisms of Special Counsel Robert Mueller's probe into Russian interference in the 2016 election.