Mario Castellitto understands that honesty, mutual respect, and the trust that comes with it form the foundation of a successful attorney-client relationship. As an accomplished litigator, he also knows that there is no substitute for preparation, creative problem solving, and common sense when protecting his clients’ interests in the courtroom or at the negotiating table.

A partner in the firm’s New York office, Mario has spent his entire career handling a broad range of litigated matters in state and federal courts from inception through trial, including civil and criminal defense, insurance coverage disputes, and commercial cases.

Mario focuses his practice in the defense of construction accident, construction defect, professional liability, premises liability, property damage, motor vehicle, and civil rights matters. His insurance coverage practice includes all aspects of insurance and reinsurance litigation. 

He is a member of the American Bar Association, New York State Bar Association, and Association of the Bar of the City of New York where he formerly served as Secretary of the Criminal Courts Committee and Member of the Criminal Law Committee. Mario is a frequent lecturer on insurance coverage and defense topics.

A graduate of Fordham University, Mario earned his law degree, cum laude, from Pace University School of Law, where he served as a Research and Writing Editor with the Pace Law Review. As a third-year law student, Mario prosecuted misdemeanor domestic violence cases as a Student District Attorney with the Manhattan District Attorney’s Office in Pace’s first prosecutorial Criminal Justice Clinic program. He also served as the student liaison to the faculty Intern Advisory Board. He is the recipient of the New York State Bar Association, Committee on Legal Education & Admission to the Bar, 1993 Law Student Legal Ethics Award.

Mario is an avid Yankee fan, equestrian, and martial arts practitioner. He has always been an active member of his community, formerly serving as a Little League Baseball coach and Pop Warner Youth Tackle League Football coach in Westchester County where he resides with his wife and three children. He is a Second-Degree Black Belt in Tae Kwon Do and Tae Kwon Do Instructor in training. As a member of the Pelham Bay Equestrian Association, Mario assisted in securing funding for major capital improvements to the public equestrian trail ways in lower Westchester and Bronx Counties. He now serves as Secretary of the Board of Directors of Access Equestrian, a not-for-profit organization providing adaptive riding and horsemanship programs for persons with disabilities in the lower Hudson Valley.


  • Pace University School of Law, J.D., cum laude
    • Pace Law Review, Research and Writing Editor
  • Fordham University, B.S.

Bar Admissions

  • New York

Court Admissions

  • U.S. District Court, Southern District of New York
  • U.S. District Court, Eastern District of New York

Professional & Community Affiliations

  • American Bar Association
  • New York State Bar Association
  • Association of the Bar of the City of New York
  • USLAW Network
  • Claims & Litigation Management Alliance (CLM)


  • Mary Jean Muncil v. Widmer Inn Restaurant Corp d/b/a Villa Borghese, Index No. 60908/2015, Warren County, NY (June 15, 2016), Helen Devoe and William Devoe v Widmer Inn Restaurant Corp., d/b/a Villa Borghese, Index No. 14-561, Ulster County, NY (May 10 2016)
  • Served as Secretary of the Criminal Courts Committee and Member of the Criminal Law Committee for the Association of the Bar of the City of New York