About

Colleen O’Brien is an attorney with Jane Street in New York, NY, where she practices in the area of general practice. Admitted to the New York bar under bar number 4620704, she brings a thoughtful, client-focused approach to her work and is committed to providing practical legal guidance tailored to each client’s needs. Based in New York, she serves individuals and organizations seeking dependable counsel from a lawyer who understands the importance of clear communication, responsiveness, and careful attention to detail. In her general practice work, Ms. O’Brien is dedicated to helping clients navigate a wide range of legal matters with professionalism and efficiency. She approaches each matter with the goal of delivering sound advice and steady support, whether clients are facing routine legal questions or more complex concerns. Her practice reflects a commitment to building trusted attorney-client relationships and helping clients move forward with confidence. At Jane Street, Ms. O’Brien is known for her professional demeanor, diligent work ethic, and focus on achieving practical solutions. Her New York legal background and broad general practice experience make her a valuable resource for clients seeking reliable representation in a fast-paced legal environment.

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