My Mayer Brown LLP Colleagues Andy Frey and Herbert Zarov Also Make Lawdragon’s “500 Leading Lawyers in America”: By David Kopel on January 25, 2008 5:42 pm I haven’t had the pleasure of working with Zarov, but I have worked with Andy Frey (“Formerly a Deputy Solicitor General, Frey has argued more than 60 cases before the U.S. Supreme Court”), and have very much enjoyed it.