About
William J. Sanyer is an associate at David Horowitz PC and a personal injury attorney who prosecutes injury claims for clients. He joined the firm in 1997 as a paralegal before attending law school and later returned as an attorney. His work includes litigation, legal writing, negotiation, and case preparation in a practice devoted to personal injury matters, including serious accident, medical malpractice, and wrongful death claims.
Sanyer earned a B.S. in Legal Studies with honors from New York City College of Technology, where he served as commencement speaker and received the Joyce Buck Speech Award. He earned his J.D. from the City University of New York School of Law. During law school, he participated in moot court, coached and competed in trial practice, and served as a teaching assistant in torts, building skills directly relevant to injury litigation.
Sanyer has worked in personal injury practice from both the paralegal and attorney perspectives, giving him long-term familiarity with case development. He handles legal research and writing, negotiations, litigation tasks, and the preparation of claims for resolution or trial. He has also returned to his law school as a guest speaker on deposition practice, sharing experience with the questioning and evidence-gathering process that is central to civil litigation.
William J. Sanyer is admitted in New York and New Jersey and before the US District Courts for the Southern and Eastern Districts of New York and the District of New Jersey. He is bilingual in English and Spanish and participates in professional legal organizations. His practice combines detailed case preparation, communication, written advocacy, negotiation, and litigation experience for clients pursuing compensation after serious injuries.
Law Office Affiliations
- Attorney, David Horowitz, PC
- Member, New York State Bar Association
- Member, New Jersey State Bar Association
- Member, American Bar Association
- Member, Cuny Law School Alumni Association
- Member, Community Legal Resource Network at Cuny Law School
Licensed State
- New York
- New Jersey
Education
- City University of New York School of Law
Juris Doctor (JD) in Doctor of Jurisprudence - New York City College of Technology
Bachelor of Science (BS) in Legal Studies
Awards & Badges



- Car Accidents
- Construction Accidents
- Lawsuits & Disputes
- Litigation
- Medical Malpractice
- Personal Injury
- Slip & Fall Accidents
- Trucking Accidents
- Wrongful Death





