Errol Brown

Errol Brown is a partner in Haynes Boone’s Denver office and Chair of the firm’s Sports Law Practice Group. He also serves in the Specialized Transactions and Regulatory Group, where he advises clients across the sports, media, entertainment and technology sectors. Errol’s practice focuses on corporate transactions and governance matters involving professional sports teams, venues, broadcasting rights, and emerging technologies.

With more than two decades of experience spanning law, finance and strategy, Errol brings a multidisciplinary approach to client service. Prior to joining Haynes Boone, he was Vice President of Corporate Strategy at Aon Cyber Solutions, where he led product and partnership development initiatives. He also served as in-house counsel at Portfolio Advisors, a global private equity firm, and CoBank, a national cooperative bank supporting rural industries.

Errol’s early career cultivated a strong foundation in regulatory compliance, tax structuring, and capital markets, which continues to inform his work with clients navigating complex transactions and governance challenges. He is known for his ability to align legal strategy with business objectives, drawing on his experience in securities regulation, risk management, and organizational leadership.

Outside of his legal practice, Errol is deeply committed to civic engagement and mentorship. He currently serves on the Board of Directors for the Denver Athletic Club and Food Bank of the Rockies, and previously supported Big Brothers Big Sisters of Colorado and Code.org. His broad experience enables him to navigate complex regulatory environments, structure innovative transactions, and deliver strategic counsel that aligns with clients’ long-term goals.