With more than two decades of experience, Brian Christiansen is recognized as one the country’s foremost financial services lawyers. Based in the Firm’s Washington, D.C., office, he counsels U.S. and international banking organizations, nonbank financial services firms and their investors and counterparties on all types of regulatory, transactional, compliance and enforcement matters.
Brian often handles multifaceted and novel matters in the financial services industry. He has helped clients structure and execute acquisitions, investments and corporate transactions, obtain charters, raise capital, develop new products, implement compliance programs, conduct internal investigations and resolve enforcement actions. Brian routinely represents clients before the OCC, FDIC, Federal Reserve and state banking departments.
Brian has been recognized in Chambers USA as “a highly skilled transactional and regulatory attorney, who offers specialized counsel to financial services firms,” with clients noting he is a “phenomenal lawyer” and “knows how the regulators think.” He was also featured in the IFLR 1000 as a “market leader” in the Financial Services Regulatory category.
Updated Oct 2025
