As Of Counsel at Wilentz, Goldman & Spitzer, P.A., Andrew J. DeMaio advises clients in trust and estate planning and administration, and in litigation of related matters.

He has written and lectured extensively on trusts and estates subjects and on the use of technology in the practice of law. He is an author/editor for Leimberg Information Services, a national online publication for lawyers, accountants, and other professionals.

Since 2006, Mr. DeMaio has been consistently recognized in the Best Lawyers in America publication for Trusts and Estates, and he has been recognized in the New Jersey Super Lawyers publication since 2006. Recognized for representing high net-worth clients on trusts and estate matters, Mr. DeMaio has been recognized in the Chambers USA publication with a Band 1 ranking.

Best Lawyers in America® ( is published by Best Lawyers.

Super Lawyers® ( is published by Thomson Reuters.

Chambers USA® ( is published by Chambers and Partners.

A description of the selection processes may be accessed via the above links. The aforementioned organizations are private peer review organizations, not court-specific, public certification vehicles. No aspect of this advertisement has been submitted to or approved by the Supreme Court of New Jersey.

In 2003, 2016, and 2023, he received the New Jersey State Bar Association’s Distinguished Legislative Service Award, including recognition for his work on the study and enactment of the New Jersey Uniform Trust Code. In January 2017, Mr. DeMaio received the Dorothy G. Black Distinguished Service Award from the Real Property, Trust, and Estate Law Section of the New Jersey State Bar Association. In January 2023, he received recognition for his amicus curiae participation on behalf of the Bar Association in Van Riper v. N.J. Division of Taxation.

Mr. DeMaio and his wife Debby live in Holmdel. They have three sons. In his free time, he enjoys sports photography, cycling, running, and golf.