Stan Greenberg

Stanley Bernard Greenberg is an American Democratic pollster and political strategist. He is founding partner of Greenberg Quinlan Rosner Research (GQR), a political research and campaign company headquartered in Washington, D.C., that is closely affiliated with the Democratic Party. He advised the presidential campaigns of Bill Clinton and Al Gore, as well as hundreds of other candidates and organizations in the United States, Latin America, Europe, and around the world - including Nelson Mandela, Ehud Barak the former Israeli prime minister, Gerhard Schröder, the former Chancellor of Germany, and Tony Blair, the former British prime minister.