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.
Penn has been known for his criticisms of Special Counsel Robert Mueller's probe into Russian interference in the 2016 election.