About Lee
Lee Rosenberg: Experienced Matrimonial and Family Law Attorney on Long Island
Lee Rosenberg is a highly respected and accomplished trial and appellate litigator specializing in matrimonial and family law. With over 20 years of dedicated experience, Lee provides comprehensive legal counsel to individuals navigating the complexities of divorce, child custody, support, and equitable distribution matters. Known for his strategic thinking, meticulous preparation, and commitment to achieving the best possible outcomes for his clients, Lee consistently represents clients with a blend of compassion and legal expertise.
Lee’s career is marked by a significant commitment to excellence and leadership within the legal community. He is a Fellow of the American Academy of Matrimonial Attorneys (AAML), a distinction earned through rigorous criteria and sustained contributions to the field. His past roles as National Parliamentarian and Chair of the AAML's National Chapter Leaders Committee demonstrate his deep understanding of the organization's priorities and his ability to drive impactful initiatives. Furthermore, he holds Fellow status with the International Academy of Family Lawyers, solidifying his standing as a leading authority in family law.
As a past Chair of the Nassau County Bar Association Matrimonial Law Committee, Lee played a pivotal role in advocating for crucial legislation. Notably, he led the Committee’s resolution in support of the landmark “Marriage Equality Act” in New York, securing legal rights for same-sex couples. This achievement earned him the Nassau County Bar Association Directors’ Award for 2012-2013, recognizing his impactful advocacy and dedication to social justice. Currently, he serves as the New York Chapter Parliamentarian for the AAML, continuing his commitment to the organization’s growth and development.
Lee’s litigation skills are complemented by his extensive experience in alternative dispute resolution. He is a skilled arbitrator for the Office of Court Administration’s Matrimonial Fee Dispute Panel, providing impartial and expert judgment in contested support and custody matters. His dedication to finding efficient and equitable resolutions has earned him a reputation as a trusted and reliable legal professional. Lee’s legal acumen is further enhanced by his training in Divorce Mediation and Collaborative Law, reflecting his commitment to client-centered approaches and innovative solutions.
Lee’s professional achievements have been widely recognized, consistently placing him among Long Island’s legal elite. He has been awarded a prestigious “AV Preeminent” Peer Review Rating by Martindale-Hubbell, a testament to his exceptional legal abilities and unwavering ethical standards. He is a consistent “Super Lawyer” selection in family law for New York, and has been recognized as one of the “Ten Leaders in Matrimonial and Divorce Law on Long Island” by Ten Leaders, showcasing his leadership and influence within the field. His recognition extends to being listed among the top rated attorneys on Long Island.
Beyond his courtroom successes, Lee is deeply invested in the advancement of the legal profession. He is a member of the New York State Bar Association Family Law Section Executive Committee, contributing his expertise and leadership to the organization. His scholarly articles have been cited by the trial and appellate courts of New York State as well as by the New York State Law Revision Commission, underscoring the impact of his research and analysis. He serves as the Editor-in-Chief of the New York State Bar Association’s Family Law Review and is a member of the Editorial Board of ALM’s New York Family Law Monthly, demonstrating his commitment to knowledge sharing and legal education.
Lee’s practice areas encompass all aspects of matrimonial and family law, including:
- Complex Child Custody Disputes: Expert representation in intricate custody arrangements, advocating for the best interests of children with a focus on detailed evaluations and strategic courtroom strategies.
- Support Calculations & Modifications: Comprehensive analysis of spousal and child support obligations, including complex financial investigations and persuasive advocacy for favorable outcomes.
- Equitable Distribution of Assets: Strategic negotiation and aggressive litigation in the division of marital property, safeguarding clients’ financial interests.
- Prenuptial & Postnuptial Agreements: Drafting and reviewing legally sound agreements to protect assets and define relationships.
- Domestic Violence & Protection Orders: Providing legal representation and support to individuals affected by domestic violence, navigating the legal system to ensure safety and security.
Education & Credentials:
- Fellow of the American Academy of Matrimonial Attorneys (AAML)
- Fellow of the International Academy of Family Lawyers
- “AV Preeminent” Peer Review Rated by Martindale-Hubbell (5.0 out of 5.0)
- AAML President’s Award for contribution to AAML Membership, Mentoring, and Chapter Leaders 2015 Initiatives
- “Long Island’s Top Legal Eagles: The Top Rated Attorneys in Nassau and Suffolk Counties” (2010- Current)
- Super Lawyers: 2007 – Current
Affiliations:
- Recognized Since: Recognized in Best Attorney USA since 2013
- City: Garden City, State: New York, Country: United States
Practice Areas
Case History
Education
Professional Affiliations
Awards & Recognition
- Lawyer of the Year: Family Law, Long Island (2026)
- Lawyer of the Year: Family Law, Long Island (2022)
- Recognized: Family Law
- Nassau County Bar Association 2013 Directors' Award
- Ten Leaders- Divorce and Matrimonial Law: Long Island, New York
- Outstanding service as the General Editor of LexisNexis' NY Consolidated Laws Service Family/Matrimonial Practice Insights
- Who's Who in American Law
- "AV Preeminent" Peer Review Rated by Martindale-Hubbell
- AAML President's Award for contribution to AAML Membership, Mentoring, and Chapter Leaders 2015 Initiatives
- "Long Island's Top Legal Eagles:The Top Rated Attorneys in Nassau and Suffolk Counties", Long Island Pulse (2010- current
- Super Lawyers: 2007 - current