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.