Terry is an adjunct professor at St. John's University School of Law where he teaches public sector labor law. He was one of eight editors of the first text on Public Sector Labor Law published by the New York State Bar Association.

Terry is labor counsel to Pace University where he negotiated its first contract with its adjunct union, represented by the NYS United Teachers. Terry's practice includes collective bargaining, arbitration, employment discrimination and litigation, wage-hour matters, ERISA and OSHA. He has represented some of the largest municipalities in the State of New York, e.g., Nassau and Westchester Counties, and the Cities of Yonkers, Mount Vernon and Buffalo, and the Yonkers and Buffalo Boards of Education. He also represents the Villages of Scarsdale, Bronxville, Port Chester and Garden City. Terry has represented over 20 school districts and regularly handles "high profile" disciplinary proceedings, including an Education Law §3020-a case with the highest fine ($100,000) in the history of the State.

Terry also has represented private sector clients in negotiations and litigation throughout the United States and has extensive experience in the printing, recording, service and restaurant industries. Terry is a frequent speaker and has authored numerous articles published in law reviews and labor law journals.