Richard N. Tannenbaum – Senior Attorney

Richard N. Tannenbaum, Esq. is a distinguished attorney with over 30 years of dedicated legal practice, focusing on high-end divorces and contested custody cases for the past two decades.

Richard’s legal journey began alongside his father, Paul H. Tannenbaum, at Tannenbaum & Tannenbaum, with a concentration on matrimonial and family law. He expanded his experience through his role as a Law Guardian of the Nassau County Family Court and Arbitrator of the Queens County Civil Court. In 1986, he joined forces with renowned criminal defense attorney Barry Slotnick, honing his skills in complex litigation. By 1990, Mr. Tannenbaum established his own firm in Manhattan, balancing commercial and matrimonial law, which led to a collaboration with celebrity matrimonial attorney Raoul Lionel Felder in 1997. His career came full circle when he returned to Long Island, joining forces with Stephen Gassman, eventually becoming a key member of Gassman, Baiamonte, Betts & Tannenbaum, P.C. In 2011, he founded his own firm in Garden City, focusing exclusively on matrimonial and family law for clients in Long Island and Manhattan.

His career is marked by a consistent commitment to excellence, reflected in his “AV” rating from Martindale-Hubbell since 1984, a testament to his unparalleled integrity and competence in the legal field. Since 2012, Richard has been named to the New York Super Lawyers, a prestigious honor limited to only five percent of attorneys in the New York Metro area. His exceptional reputation is further underscored by his recognition as a Top Attorney in North America in 2016 and his ranking among the Top 10 Family Law Attorneys in New York State by the National Academy of Family Law Attorneys. He was also recognized as one of Long Island’s Top Rated Lawyers from 2014 to 2016.

Mr Tannenbaum’s extensive experience encompasses intricate matrimonial issues, from heated custody disputes to valuing multi-million dollar businesses. His clientele includes high-profile figures such as Mayor Rudolph Giuliani, and he is a sought-after lecturer on electronic discovery and data preservation. Appointed by the courts as a Referee in complex matrimonial cases, Mr. Tannenbaum played a pivotal role in the landmark case of Etzion v. Etzion, a precedent in New York’s electronic discovery realm.

Believing divorce to be a critical business decision, Mr. Tannenbaum leverages his vast experience to protect his clients’ interests, ensuring a thorough and empathetic approach to the legal process.

Awards / Accolades / Affiliations