About

Leanne Van Allen is an attorney with Sullivan & Cromwell in Washington, DC, where she practices general law with a focus on providing thoughtful, effective counsel to clients facing a wide range of legal matters. Based in the nation’s capital, she brings a professional, client-centered approach to her work, helping individuals and organizations navigate complex issues with clarity and confidence. Leanne is known for her attention to detail, responsiveness, and commitment to delivering practical legal solutions tailored to each client’s goals. In her practice, Leanne aims to build strong attorney-client relationships grounded in trust, communication, and a thorough understanding of each matter’s unique circumstances. She works diligently to assess legal issues from all angles, identify strategic options, and guide clients through the process with professionalism and care. Her general practice background allows her to address a variety of legal needs while maintaining the high standards associated with Sullivan & Cromwell’s tradition of excellence. Licensed to practice in Washington, DC, Leanne Van Allen is committed to serving clients with integrity and dedication. Whether advising on routine legal concerns or more nuanced matters, she strives to provide reliable counsel and dependable support. Her practice reflects a strong commitment to service, precision, and the effective resolution of legal challenges.

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