About

Mary Ann Sullivan is an attorney with CHAPMAN AND CUTLER LLP | Law Offices of Mary Ann Sullivan in Chicago, where she focuses her practice on banking law. Based at 111 West Monroe Street, Chicago, IL 60603-4080, she represents clients with the insight and professionalism needed to navigate the complex legal and regulatory issues that affect financial institutions and banking operations. Her work is grounded in a practical understanding of the evolving financial services landscape and the importance of delivering clear, efficient, and reliable counsel. With extensive experience in the banking field, Mary Ann Sullivan is known for a thoughtful, detail-oriented approach that helps clients address both immediate legal needs and long-term business objectives. She understands that banking matters often require not only technical legal knowledge, but also responsiveness, sound judgment, and an appreciation for the operational demands facing financial organizations. Clients rely on her for guidance that is tailored, strategic, and focused on minimizing risk while supporting business continuity. Mary Ann Sullivan is committed to providing high-quality legal service with a client-centered perspective. She works closely with financial institutions and other banking clients to help them navigate legal challenges with confidence. Her practice reflects a dedication to professionalism, clarity, and trusted counsel in banking law.

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