About Sean J
Sean J McGowan is an attorney licensed in New York who combines organizational leadership with an active practice at Kaufman McGowan PLLC. He is known in Suffolk County legal circles for his work in professional organizations and for bringing those connections into his day-to-day practice.
McGowan has taken on prominent roles in regional bar groups. He serves as President of the Columbian Lawyers Association of Suffolk County and is Secretary of the Confederation of Columbian Lawyers of New York State. He is also a member of the Chaminade Long Island Businessmens Association, the Suffolk County Bar Association, the Long Island Capital Alliance, the Cannabis Association of New York, and the International Cannabis Bar Association. Those positions place him at the intersection of local business, regulatory discussion, and professional networking.
His career blends transactional and regulatory work. McGowan advises business clients on entity formation, commercial agreements, and compliance issues. He also handles matters that require attention to evolving state and local rules. Membership in several cannabis-focused groups signals significant involvement with clients in that industry, where licensing, banking and regulatory questions are frequent. At the same time he remains engaged with broader business issues affecting Long Island companies and investors.
At Kaufman McGowan PLLC he works with business owners, entrepreneurs and professionals. The firm environment brings together transactional practice and regulatory counseling. He participates in community-oriented business groups and bar committees, which inform his approach to problem solving and help him stay current on local developments that matter to clients.
Beyond the office, McGowan’s roles in the Columbian Lawyers organizations reflect an interest in governance and member services. He has responsibilities that include organizing events, facilitating member communication and helping shape programs for practicing attorneys across the region. Those administrative duties complement his client work and provide a direct link between professional community needs and legal practice.
He represents clients in corporate, regulatory, and cannabis-related matters.