Horvitz, a partner in the Encino firm of Horvitz & Levy, is one of the best known appellate lawyers in California. He has briefed and argued more than 50 cases before the California Supreme Court, including such landmarks as Moradi-Shalal, Garvey v. State Farm, Keller v. State BarHe is a founder and past president of the California Academy of Appellate Lawyers and taught appellate advocacy at the University of Southern California Law Center for more than 20 years.