Mark A. Siesel

Mark A. Siesel is the founder of The Law Office of Mark A. Siesel, representing personal injury and wrongful death victims in New York's state and federal courts for over 28 years. Based in the Bronx, White Plains, and Peekskill, his practice handles cases involving car accidents, construction injuries, medical malpractice, nursing home neglect, and defective products. Mark personally oversees each case from initiation through trial, advocating aggressively for clients' rights and securing significant settlements and verdicts over his career.

Mark’s background includes experience defending personal injury claims, giving him insight into insurance company strategies. This advantage informs his approach to litigation, helping clients navigate municipal hearings, depositions, and trials. He also explores alternative resolutions through mediation or arbitration when appropriate. In addition to personal injury, Mark’s firm handles criminal defense cases, including DWI, drug possession, and administrative hearings.

Mark is certified under New York’s Mental Hygiene Law to serve as a guardian, court-appointed attorney, and evaluator for incapacitated individuals. He is a member of the Westchester County Bar Association, New York State Trial Lawyers Association, and the American Association for Justice. Outside of work, Mark enjoys tennis, music, and coaching baseball and basketball for his two sons.