Trustee, Jewish Board of Children’s and Family Service, 1973-80. Member, Committee on Social Policy and Law, Federation of Jewish Philanthropies, 1975-77. Association with Phillips, Nizer, Benjamin Krim & Ballon, 1970-77. Member Kleinberg, Kaplan, Wolff, Cohen & Burrows, PC, 1977-79. Member Burrows & Poster, 1980-89. Member Burrows & Franzblau, 1990-91, Member Bender, Burrows & Rosenthal, 2003-2008. Special Master: Supreme Court of the State of New York, County of New York, 1979-. Appellate Division, 1st Dept Committee to Certify Law Guardians, 2000-. Mediator: US District Court, Southern and Eastern Districts of New York. Member, National Panel of Arbitrators, American Arbitration Association. Fellow, American Academy of Matrimonial Lawyers (1995-).