About

John Liolos is an attorney at Sullivan & Cromwell LLP in New York, NY, where he practices in the area of general practice. Based in one of the nation’s most dynamic legal markets, Mr. Liolos brings a thoughtful, diligent approach to addressing a wide range of client needs. He is committed to providing practical, responsive legal support tailored to the demands of each matter, with an emphasis on clear communication, careful analysis, and strong client service. As a member of the New York legal community, Mr. Liolos understands the importance of precision, professionalism, and adaptability in today’s fast-moving business and legal environment. His general practice background allows him to approach matters with versatility and attention to detail, helping clients navigate complex issues with confidence. Whether assisting with day-to-day legal questions or more multifaceted concerns, he works to deliver sound guidance grounded in a deep respect for client goals and priorities. Mr. Liolos is admitted to practice in New York, where he is admitted under Bar Number 5331053. Through his work at Sullivan & Cromwell LLP, he strives to uphold the high standards of the firm while providing dependable legal counsel to clients.

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