Marc Grossman

John J. Porta is a top attorney recognized by Best Lawyers in the practice area(s) of Labor Law - Management. John J., who practices law in Melville, New York, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John J. is held by other top lawyers in the same geographic and legal practice area.

Michele Masucci is the leader of the firm’s Health Care practice. She advises health care industry clients, with particular experience serving as general and special counsel to private equity firms and other investors looking to make investments in the industry. Her practice also involves providing counsel on the interplay between life sciences companies and the use of their products in a clinical setting. What do you focus on? As a former hospital in-house legal counsel, I know what ke...

A veteran of the Nassau and Suffolk trial courts, John Nash has built a lengthy and distinguished career as a highly respected litigator across several practice areas. Mr. Nash joined Sullivan Papain in 1980, after working with the New York City Law Department Office of the Corporation Counsel where he served as unit chief and lead trial attorney in the prestigious Manhattan Trials Unit. He became a member of the firm in 1985, and in 1991 moved to the firm’s Long Island office. There, h...

David N. Wechsler is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. David N., who practices law in Garden City, New York, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David N. is held by other top lawyers in the same geographic and legal practice area.

Michael Schnipper represents clients in all types of corporate transactions including mergers and acquisitions, private equity, venture capital and joint ventures. He has a depth of experience in the health care, life sciences and technology industries. What do you focus on? Mergers and Acquisition I represent both buyers and sellers in the purchase and sale of businesses in a wide range of industries including health services, life sciences, food and beverage and technology. Most recently, I...

Neil V. Carbone is a trusts and estates lawyer handling all aspects of that practice: planning, administration, and litigation. Neil provides sophisticated advice to individuals and families, entrepreneurs, closely-held businesses, trust companies, banks, fiduciaries, beneficiaries, and foundations and other institutions. He regularly appears before the Surrogate’s Courts and other courts throughout New York, as well as the United States Tax Court. Neil is a trusted professional who pri...

Rosemary Harnisher is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Rosemary, who practices law in Uniondale, New York, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rosemary is held by other top lawyers in the same geographic and legal practice area.

Patricia C. Marcin concentrates in personal, family and business planning. Her practice includes the preparation of wills, trusts and other estate planning documents and all phases of estate administration, including the analysis and review of estate and fiduciary income tax issues and administrative and legal issues in each estate. She counsels her clients in a very personal way, addressing each client’s particular desires and circumstances. Tricia has authored articles on various esta...

Jeffrey W. Brecher is a principal and the office litigation manager of the Long Island, New York, office of Jackson Lewis, and is co-leader of the firm's Wage and Hour practice group. He has litigated hundreds of cases, defending management at arbitration, before state and federal administrative agencies and at trial. Jeff regularly advises clients on compliance with various state and federal laws affecting the workplace, including discrimination and related claims arising under Title VII, Fa...

Wendy Hoey Sheinberg is partner to the firm in the Personal, Family & Business Planning Practice Group, concentrating in the areas of guardianship, elder law, special needs planning, trust and estate planning, and trust and estate administration. She has presented at numerous seminars on elder law and estate planning, senior housing and probate and estate administration and has lectured for the New York State Bar Association, the Nassau County Bar Association and many other notable local ...