Mary counsels US and foreign clients on broker-dealer and securities market regulation, including trading rules, compliance, supervision and self-reporting issues. She represents clients in US Securities and Exchange Commission (SEC), Financial Industry Regulatory Authority (FINRA) and state securities commission investigations and enforcement actions and conducts internal investigations. Mary also advises clients on broker-dealer formation, mergers and acquisitions, and market structure issues.

She brings experience as a Vice President and Deputy General Counsel with The Nasdaq Stock Market, Inc. as well as other FINRA and governmental experience.