About

William Lebas is an attorney with Simpson Thacher & Bartlett LLP in New York, NY, where he contributes to the firm’s General Practice. Based in one of the nation’s most active legal markets, Mr. Lebas works within a sophisticated legal environment that demands precision, sound judgment, and a client-focused approach. His practice reflects the broad, versatile nature of general practice work, supporting clients across a range of legal matters with careful attention to detail and a commitment to practical solutions. Known for his professional and thoughtful approach, Mr. Lebas is dedicated to helping clients navigate legal issues efficiently and effectively. In a practice area as diverse as general law, he understands the importance of clear communication, responsiveness, and strategic problem-solving. Whether assisting with day-to-day legal needs or more complex matters, he brings a disciplined perspective aimed at protecting client interests and advancing their goals. Mr. Lebas is admitted to practice in New York under Bar Number 5549332. He serves clients from the firm’s New York office with the professionalism and diligence expected of a leading legal practice. Through his work at Simpson Thacher & Bartlett LLP, he remains committed to providing reliable legal support and delivering counsel grounded in experience, accuracy, and a strong sense of client service.

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