Before joining Kostelanetz, Andy was a trial attorney for nearly 11 years with the U.S. Department of Justice Tax Division in the Appellate Section and the Court of Federal Claims Section. There, he briefed and argued approximately 50 civil cases before the United States Courts of Appeals and handled several significant trial court matters. His cases focused on tax shelters, research and energy credits, FBAR penalties and tax penalties imposed on the failure to report interests in foreign entities, and Administrative Procedure Act claims, among other areas. Andy also served as Counsel to the Acting Assistant Attorney General and the Deputy Assistant Attorney General for Appellate and Review for the Tax Division. Andy received the Outstanding Attorney Award five times and received Special Commendation for his work advising Tax Division leadership.

Andy also spent four years in academia as Director of the Graduate Tax Program and founding Director of the Low Income Taxpayer Clinic at Temple University Beasley School of Law as well as a Practice Professor of Law. He taught several doctrinal tax courses and developed the seminar that trains students to represent clients of the clinic at all phases of federal tax assessment and collection. Andy is the author of numerous articles and contributed the chapter on “Applying Administrative Law in Tax Cases” in the upcoming edition of the ABA Tax Section publication Effective Representing Your Client Before the IRS.