Hector Pagan

HECTOR PAGAN focuses his practice on representing financial institutions in investigations and enforcement actions brought by the U.S. Securities and Exchange Commission (SEC), the Financial Industry Regulatory Authority (FINRA), the Financial Crimes Enforcement Network (FinCEN), and other federal and state regulators. He also advises clients on regulatory matters involving securities, commodities, derivatives, and digital assets. Beyond his regulatory practice, Hector represents clients in civil litigation and white-collar defense matters.

Before joining Sidley, Hector served as a law clerk to The Honorable Gustavo A. Gelpí of the U.S. Court of Appeals for the First Circuit. He earned his J.D. from Suffolk University Law School. During law school, Hector was a note editor for the Suffolk University Law Review, a teaching assistant for the legal writing course, and a captain of the Constitutional Moot Court Team. He also worked as a hearing officer presiding over informal hearings and issuing written decisions on occupancy appeals.

Prior to attending law school, Hector worked as a licensed applied behavior analyst for a Massachusetts school district.

Hector maintains an active pro bono practice which focuses on First Amendment litigation and appeals. Among other pro bono engagements, Hector is involved with Sidley’s partnership with the Yale Law School’s Free Exercise clinic.

He was recognized by the Massachusetts Supreme Judicial Court on its 2025 “Pro Bono High Honor Roll,” which recognizes attorneys who provide more than 100 hours of pro bono legal services in a calendar year.