Mr. Phillips practice has been devoted exclusively to the field of matrimonial and family law since he was first admitted in New York in 1974. He is a member of the Rockland County Bar Association, the New York State Bar Association and, the American Bar Association and is a member of the Family Law Sections of all of those bar associations. Mr. Phillips served on the Board of Managers, and then served as a vice president of the New York Chapter from 2002 to 2004, and then again served on the Board of Managers. He has lectured on various areas of Matrimonial and Family Law for the New York State Bar Association, Rockland County Bar Association, Westchester County Bar Association and the Bar Association of the City of New York. He has also lectured for Panel Publishers and previously served on the Editorial Board of the Matrimonial Strategist, a monthly publication devoted to Matrimonial and Family Law, for more than a decade. He was co-chair of the Rockland County Bar Association Family Law Section from 2000 through 2005. He was also a founding member of the Association of Collaborative Lawyers of Rockland-Westchester and served as the first President of the organization. Affirmant has also been listed in "Best Lawyers", and "Super Lawyers", publications wherein lawyers are considered the best in their particular field and elected to the organizations by their peers.