Estrich served as a law clerk for Judge J. Skelly Wright of the U.S. Court of Appeals for the District of Columbia and Justice John Paul Stevens of the U.S. Supreme Court. In 1988, she was the campaign manager for Michael Dukakis' 1988 presidential run, even though she had never before managed a political campaign. She was the first female campaign manager of a major presidential campaign, and the first female campaign manager of the modern era.   Estrich appears frequently on Fox News as a legal and political analyst, and has also substituted for Alan Colmes on the debate show Hannity & Colmes. She writes regular articles for the conservative website NewsMax, for which she is a pundit. She is also on the Board of Editorial Contributors for USA Today. She is currently a law professor at the University of Southern California Law School and a political science professor at its affiliated undergraduate school. Before joining the USC faculty in 1989, she was Professor of Law at Harvard University, where she was the youngest woman to receive tenure. On January 10, 2008, Estrich joined Quinn Emanuel Urquhart & Sullivan, LLP, a law firm based in Los Angeles, where she chairs their Public Strategy in High Profile Litigation: Media Relations practice area.  She writes a nationally syndicated print column distributed through Creators Syndicate.