About

Mark Marzziotti is an attorney with Simpson Thacher & Bartlett, LLP in New York, New York, where he practices in the firm’s general practice. Based in New York, NY 10017, he brings a professional, client-focused approach to his work, helping individuals and businesses navigate a broad range of legal matters with care, precision, and sound judgment. As a member of one of the nation’s most respected law firms, Mr. Marzziotti is part of a team known for delivering sophisticated legal counsel in an increasingly complex legal environment. In his practice, Mr. Marzziotti is committed to providing thoughtful, practical guidance tailored to each client’s needs and goals. He understands that legal matters can be both important and time-sensitive, and he works to ensure clients receive clear communication, responsive service, and strategic support at every stage of representation. Whether addressing day-to-day legal concerns or more complex issues, he approaches each matter with diligence and professionalism. Mr. Marzziotti’s New York legal practice reflects a strong commitment to excellence and attention to detail. Licensed under Bar Number 5997317, he continues to serve clients with the dedication and integrity expected of a trusted attorney in today’s legal landscape.

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