John is of counsel to the firm. His practice is limited to negotiation of prenuptial agreements and to the mediation of settlements in matrimonial litigations. John is listed in The Best Lawyers in America, Who's Who in American Law, and enjoys an AV rating in Martindale-Hubble. He was named a "Super Lawyer" in all recent editions of Super Lawyers New York Metro edition. John is a Fellow, and has served on the Board of Governors, of the New York Chapter of the American Academy of Matrimonial Lawyers, a national society with strict standards of admission. He has also served on its Board of Examiners, which screens applicants for admission. John is a Diplomate of the American College of Family Trial Lawyers, whose membership is limited to 100 attorneys nationwide, and contributed to the book Inside the Minds: Leading Divorce Lawyers, which was published in 2005.