Judge Campbell is a United States District Judge for the District of Arizona. He is chair of the Advisory Committee on the Federal Rules of Civil Procedure, having served on that committee for six years. Before his appointment to the bench, Judge Campbell was a commercial litigator with the Phoenix, Arizona law firm of Osborn Maledon. He graduated from the University of Utah Law School and served as a law clerk for Justice William H. Rehnquist of the U.S. Supreme Court and Judge J. Clifford Wallace of the Ninth Circuit Court of Appeals. Judge Campbell is working with the courts of Botswana, South Africa, and Namibia on improving judicial case management, and has taught civil procedure and constitutional law at the Arizona State and Brigham Young University Law Schools.