Mark A. Siesel

Mark A. Siesel is an experienced personal injury attorney who has represented injured clients across New York for more than three decades. He handles a wide range of cases involving motor vehicle collisions, construction accidents, defective products, medical negligence, and criminal matters. From the first consultation through trial, he is directly involved in every case, ensuring thorough preparation, clear communication, and strong advocacy for individuals facing life-changing injuries and financial challenges.

Mark earned his J.D. from Brooklyn Law School and his B.A. in Political Science from S.U.N.Y. at Stony Brook. His legal education also included an internship with the Federal Trade Commission, where he gained early exposure to detailed investigative work. These academic and professional experiences strengthened his understanding of complex legal issues and helped build the foundation for his career as a dedicated trial attorney committed to protecting the rights of injured individuals.

Throughout his practice, Mark has secured numerous settlements and verdicts totaling several million dollars for his clients. His background defending personal injury claims in the early years of his career gives him valuable insight into how insurance companies operate and strategize. This knowledge allows him to anticipate challenges, prepare clients for litigation milestones, and negotiate from a position of strength. He approaches every case with the goal of securing full and fair compensation for the people he represents.

Mark A. Siesel is known for responsive service and consistent communication, ensuring that clients understand each step of their case. He also handles matters involving dog bites, uninsured driver claims, and serious injuries requiring long-term care. In addition to personal injury litigation, he represents clients in select criminal matters, including DWI and related offenses. With decades of litigation experience, Mark remains committed to achieving justice and protecting the legal rights of injured clients throughout New York.

Law Office Affiliations

• Founder, The Law Office of Mark A. Siesel
• Member, New York State Bar Association
• Member, Westchester County Bar Association
• Member, The American Association for Justice
• Member, New York State Trial Lawyers Association

Licensed State

• New York
• New Jersey

Education

• Brooklyn Law School
  Juris Doctor (JD)
• State University of New York
  Bachelor of Arts (BA)

Awards & Badges