About

William J. Sipser, a founding partner at Tuckner, Sipser, Weinstock & Sipser, LLP, brings nearly three decades of expertise in Labor Law and Employment Law Discrimination to the forefront of his practice. Based in New York, NY, Mr. Sipser has cultivated a distinguished career characterized by extensive litigation experience in both state and federal courts, as well as before various governmental agencies. His dedication to defending the rights of individuals and labor unions has led to the successful prosecution of significant cases, including pivotal appeals before the Appellate Division of the State of New York and the Second Circuit Court of Appeals. A notable highlight of Mr. Sipser's career came in September 2004, when he presented a crucial employment discrimination case to the New York State Court of Appeals, the highest court in the state. His legal acumen has not only won critical victories in the Appellate Division, First Department but also in numerous administrative hearings and arbitrations concerning employment-related issues, such as grievances and wrongful terminations. Recognized for his innovative approach to resolving employment disputes, Mr. Sipser has been a sought-after speaker at legal education seminars, including a notable forum on mediation at the Benjamin N. Cardozo School of Law. His involvement in alternative dispute resolution reflects his commitment to finding effective solutions for his clients. Earlier in his career, Mr. Sipser served as the Assistant Commissioner for Labor Relations at the New York City Department of Correction, where he played a pivotal role in maintaining stable labor relations within a large agency comprising approximately 13,000 employees. His foundational legal training includes an Associate position at Sipser, Weinstock, Harper & Dorn, LLP, where he collaborated closely with his late father, I. Philip Sipser, a prominent figure in labor law. Mr. Sipser earned his law degree from the Benjamin N. Cardozo School of Law, where he contributed as an Associate Editor for the International Law Journal. He is proudly admitted to practice in the New York State Bar, Washington D.C. Bar, New Jersey State Bar, and multiple federal courts, including the United States District Courts for the Southern and Eastern Districts of New York, the District of New Jersey, and the Second Circuit Court of Appeals. With a passion for justice and a proven track record, William J. Sipser remains a formidable advocate in the realm of employment law.

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