Meet Our Lawyers

When it comes to picking your legal team, experience counts. For more than 50 years, the attorneys at Geringer, McNamara & Horowitz have protected their clients’ interests in a wide range of legal areas, including commercial litigation, real estate and commercial leasing, insurance litigation, insurance defense, products liability defense, and securities arbitration.

Our attorneys practice in New York and New Jersey. We also represent clients in other states through arrangements with local counsel.

David Paul Horowitz

davidhorowitzis a member of Geringer, McNamara & Horowitz in New York City. He has represented parties in personal injury, professional negligence, and commercial cases for over twenty-eight years. In addition to his litigation practice, he acts as a private arbitrator, mediator and discovery referee, and is now affiliated with JAMS. He is the author of Bender’s New York Evidence and New York Civil Disclosure (LexisNexis), the most recent supplement to Fisch on New York Evidence (Lond Publications), and since 2004 has authored the monthly column Burden of Proof in the NYSBA Journal. Mr. Horowitz teaches New York Practice at Columbia Law School and lectures on that topic, on behalf of the New York State Board of Bar Examiners, to candidates for the July 2016 bar exam, serves as an expert witness and is a frequent lecturer and writer on civil practice, evidence, ethics, and alternative dispute resolution issues. He has previously taught evidence, professional responsibility, and electronic evidence and disclosure at Brooklyn, St. John’s, and New York Law Schools. He serves on the Office of Court Administration’s Civil Practice Advisory Committee, is active in a number of bar associations, and served as Reporter to the New York Pattern Jury Instruction (P.J.I.) Committee.

Email contact: David Paul Horowitz


John T. McNamara

is a member of Geringer, McNamara & Horowitz, where he has practiced his entire professional career. He is a trial lawyer, primarily focused in products liability and commercial litigation. John has tried many cases to verdict and maintains a considerable trial practice in the State and Federal Courts of New York and New Jersey. John also has considerable experience in Appellate Arguments, having argued both in State Appellate Courts and in the Second and Third Circuit Court of Appeals. John’s trial experience includes Products Liability Litigation, Personal Injury Litigation, and Commercial Litigation, including Contract Disputes, Employment Litigation and Securities Litigation.

John is also actively involved in Commercial Leasing, Commercial Real Estate and Contract Drafting and Negotiations.

John is married and has two children. Away from the practice of law, John enjoys travel, is an avid sports fan and has coached youth baseball and basketball teams.

Email Contact: John McNamara


Pauline A. Mason

Ms. Mason is the managing attorney at the firm.  A 1988 graduate of New York Law School, she is a member of the American Bar Association, the New York State Bar Association, the New York State Trial Lawyers Association, and the Academy of Trial Lawyers.  Ms. Mason is admitted in New York and practices in the ares of Commercial Litigation, Products Liability Litigation, Insurance Law, Personal Injury – Defense, Personal Injury – Plaintiff, Premises Liability Litigation, Securities Litigation and Arbitration, Appeal Practice

Litigation Percentage:
90% of Practice Devoted to Litigation
Bar Admissions:
New York, 1989
U.S. District Court Eastern District of New York
U.S. District Court Southern District of New York
New York Law School, New York, New York, 1988 – J.D.
St. Francis College, Brooklyn, New York, 1985 – B.A.
Professional Associations and Memberships:
American Bar Association

New York State Bar Association

New York State Trial Lawyers Association


Salvatore Lapetina

is a 2015 graduate of St. John’s Law school and a member of the New York and New Jersey bars.


Harold I Geringer

Founding member 1958 – 2016.


Schedule a Free Lawyer Consultation

For more information or to schedule an attorney consultation, call 212-682-7050 or fill out the contact form on this Web site. Your initial consultation with an attorney at Geringer, McNamara & Horowitz is without cost.We serve clients in New York and New Jersey.