Meet Our Lawyers

David Paul Horowitz


is a member and managing partner of McNamara & Horowitz LLP in New York City. David has represented parties in personal injury, product liability, professional negligence, and commercial cases for over thirty-three years. In addition to his litigation practice, he acts as a private arbitrator and mediator, as a mediator for New York State courts and the EDNY, and as a discovery referee appointed by courts to oversee pre-trial proceedings. David teaches New York Practice, Electronic Evidence & Discovery, and Professional Responsibility at Columbia Law School.  He lectures statewide for the New York State Judicial Institute to judges, law secretaries, and referees, and conducts advanced mediation training for the Office of Court Administration.  He serves as an expert witness in legal malpractice and legal fee dispute actions, as a law practice mentor, and is a frequent lecturer and writer on civil practice, evidence, ethics, and alternative dispute resolution issues. He has been a member of the Office of Court Administration’s Civil Practice Advisory Committee since 2001, is active in a number of bar associations, and served as Reporter to the New York Pattern Jury Instruction (P.J.I.) Committee.

To speak to David: 212-682-7050, Ext. 1.

To email David:David Paul Horowitz

John T. McNamara

is a member of McNamara & Horowitz LLP, 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 in the State and Federal Courts of New York and New Jersey and has argued appeals 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 and Residential Real Estate, Contract Drafting and Negotiations, and Probate Matters.  He also counsels corporate clients and individuals in a broad range of business transactions.

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.

To speak to John: 212-682-7050, Ext. 2.

To email John: John McNamara

Katryna L. Kristoferson

has practiced at McNamara & Horowitz LLP since 2018. 

To speak to Katryna: 212-682-7050, Ext. 3.

To email Katryna: Katryna L. Kristoferson

Schedule a 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 McNamara & Horowitz is without cost.We serve clients in New York and New Jersey.

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