Ryne Duffy

Associate | He/Him/His

Overview

Ryne Duffy is an associate in Crowell and Moring’s Washington, D.C. office, where he is a member of the White Collar and Regulatory Enforcement Group. Ryne's practice focuses on representing clients in a variety of government investigations, regulatory enforcement actions, and internal investigations.

Ryne has represented individual and corporate clients in criminal and regulatory investigations brought by the Department of Justice (DOJ), the Securities and Exchange Commission (SEC), Financial Industry Regulatory Authority (FINRA), and the Chicago Board of Options Exchange (CBOE).

Before joining Crowell, Ryne served as an honors attorney for the SEC in the Office of Chief Counsel for the Division of Examinations. Ryne also clerked on the U.S. Court of Appeals for Veterans Claims.

Ryne received his J.D. from Washington University in St. Louis, where he served as an articles editor for the Washington University Jurisprudence Review.

Career & Education

    • Securities and Exchange Commission
      Honors Attorney, Office of the Chief Counsel, 2022–2024
    • U.S. Court of Appeals for Veterans Claims
      Judicial Law Clerk, 2020–2022
    • Securities and Exchange Commission
      Honors Attorney, Office of the Chief Counsel, 2022–2024
    • U.S. Court of Appeals for Veterans Claims
      Judicial Law Clerk, 2020–2022
    • Washington University in St. Louis, J.D., cum laude, 2020
    • American University, B.A., cum laude

      Washington University Jurisprudence Review: articles editor

    • Washington University in St. Louis, J.D., cum laude, 2020
    • American University, B.A., cum laude

      Washington University Jurisprudence Review: articles editor

    • Maryland
    • District of Columbia
    • Maryland
    • District of Columbia

Ryne's Insights

Client Alert | 3 min read | 08.18.25

FCPA Enforcement Continues to Evolve with Newly Unsealed Indictment

On August 11, 2025, the U.S. Department of Justice (“DOJ”) announced that it had unsealed an indictment against two Mexican businessmen for alleged violations of the Foreign Corrupt Practices Act (“FCPA”). DOJ asserts that the defendants, both Mexican nationals living in Texas, paid bribes to officials at Petróleos Mexicanos (“PEMEX”), and its subsidiary, PEMEX Exploración y Producción (“PEP”) to secure contracts worth an estimated $2.5 million. These charges come amidst a period of uncertainty regarding FCPA enforcement following the Trump administration’s temporary pause on FCPA enforcement and the subsequent issuance of new investigation and enforcement guidelines....

Ryne's Insights

Client Alert | 3 min read | 08.18.25

FCPA Enforcement Continues to Evolve with Newly Unsealed Indictment

On August 11, 2025, the U.S. Department of Justice (“DOJ”) announced that it had unsealed an indictment against two Mexican businessmen for alleged violations of the Foreign Corrupt Practices Act (“FCPA”). DOJ asserts that the defendants, both Mexican nationals living in Texas, paid bribes to officials at Petróleos Mexicanos (“PEMEX”), and its subsidiary, PEMEX Exploración y Producción (“PEP”) to secure contracts worth an estimated $2.5 million. These charges come amidst a period of uncertainty regarding FCPA enforcement following the Trump administration’s temporary pause on FCPA enforcement and the subsequent issuance of new investigation and enforcement guidelines....