Stephen Gassman Photo
Gassman Baiamonte Gruner, P.C.
666 Old Country Road,
Suite 801
Garden City, NY 11530

Stephen Gassman

Stephen Gassman is the senior partner in the firm of Gassman Baiamonte Gruner, P.C., Garden City, N.Y. which limits its practice to matrimonial and family law. He is a graduate of the University of North Carolina and New York Law School.

Mr. Gassman has co-authored with Evidence for Matrimonial Lawyers and Matrimonial Valuation, and has authored a book entitled Cross Examination: A Primer for the Family Lawyer published. Published by the American Bar Association. He has also co-authored with Rosalia Baiamonte the “Library of New York Matrimonial Law Forms”, published by the New York Law Journal Press.

Mr. Gassman is the founder of the We Care Fund, the charitable arm of the Nassau County Bar Association, and was the first recipient of the award honoring extraordinary service to this charity, the award known as the Stephen Gassman Award.

Mr. Gassman is married and has three children and four grandchildren.

  • J.D. New York Law School
  • B.A. University of North Carolina at Chapel Hill
Awards & Accolades
    • Nassau County Bar Association, Distinguished Service Medallion, 2019
    • The Best Lawyers in America©
    • Super Lawyers®, 2007-Present
    • Nassau County Bar Association, Distinguished Past President
    • Nassau Boces, Education Partner
    • Martindale-Hubbell, AV Preeminent® Peer Review Rated℠, 1981-Present
    • Ten Leaders in Matrimonial Law on Long Island
  • Associations & Memberships
    • American Academy of Matrimonial Lawyers, Fellow
    • Nassau County Bar Association, Past President & Member
      • Matrimonial & Family Law Section, Past Chair
    • New York State Bar Association, Family Law Section, Past Chair
    • Unified Court System of the State of New York, Matrimonial Practice and Rules Committee, Member
    • Second Judicial Department, Judicial Hearing Officer Screening Committee, Member 
    • Safe Center, Advisory Board, Member
    • Tenth Judicial District, Law Guardian Advisory Committee, Member