William J. Sipser Esq.

As one of the founding partners of Tuckner, Sipser, Weinstock & Sipser, LLP, Mr. Sipser has been a leading practitioner in the area of Labor Law and Employment Discrimination for almost twenty years. His practice includes extensive litigation experience in the state and federal courts as well as before several governmental agengies involving representation of individuals and labor unions. Mr. Sipser has prosecuted significant appellate cases, including appeals before the Appellate Division of the State of New York as well as the federal Court of Appeals for the Second Circuit. He is currently representing a Plaintiff in an appellate matter with respect to a critical employment discrimination issue to be heard later this year before the New York State Court of Appeals, New York's highest court. Mr. Sipser recently briefed, argued and won an important civil service case before the New York State Appellate Division, First Department, in Manhattan. Mr. Sipser has tried hundreds of administrative cases and arbitrations concerning employment issues, including grievances and discharge cases. Recognized for his success in participating in employment discrimination alternative dispute resolution, Mr. Sipser was recently one of the featured speakers and participants in a forum on mediation of employment disputes in a continuing legal education seminar held at Benjamin N. Cardozo School of Law. Mr. Sipser served as an Assistant Commissioner for Labor Relations in New York City Department of Correction where he was responsible for ensuring stable labor relations in this major city agency with its approximately 13,000 uniformed and civilian employees. He also served as an Associate in the law firm of Sipser, Weinstock, Harper & Dorn, LLP, and worked extensively and closely with his late father, I. Philip Sipser, who was one of the foremost labor attorneys in the country. Mr. Sipser graduated from Benjamin N. Cardozo School of Law where he was an Associate Editor of the Association of Student International Law Societies' International Law Journal. Mr. Sipser is admitted to the New York State Bar, the Washington D.C. Bar, the United States District Courts in the Southern and Eastern Districs of New York as well as New Jersey and the Second Circuit United States Court of Appeals. Awards and Honors Super Lawyers® Selectees William J. Sipser Esq. included in a Super Lawyers® list Other Sources of Feedback About William J. Sipser Esq. Included on the 2025New York Metro Super Lawyers list Past Lists 2024 New York Metro Super Lawyers list 2023 New York Metro Super Lawyers list 2022 New York Metro Super Lawyers list 2021 New York Metro Super Lawyers list 2020 New York Metro Super Lawyers list 2019 New York Metro Super Lawyers list 2018 New York Metro Super Lawyers list 2017 New York Metro Super Lawyers list 2016 New York Metro Super Lawyers list 2015 New York Metro Super Lawyers list 2014 New York Metro Super Lawyers list 2013 New York Metro Super Lawyers list 2012 New York — Metro Super Lawyers list

• Founding Partner

• New York, 1986
• New Jersey, 1986
• District of Columbia, 1988
• U.S. District Court District of New Jersey, 1987
• U.S. Court of Appeals 2nd Circuit, 1997