Cyril T. Brennan

Cyril T. Brennan: Attorney with Greenberg Traurig, LLP
  • Shareholder at Greenberg Traurig, LLP (2016 Attorneys)
  • 2101 L Street, N.W., Suite 1000, Washington, DC 20037
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Cyril (Cy) Brennan focuses his practice on international trade regulation and compliance, with an emphasis on U.S. export controls and economic sanctions. Cy handles matters regarding the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR), U.S. sanctions programs administered by the Treasury Department’s Office of Foreign Assets Control (OFAC) and the Department of Commerce’s anti-boycott regulations. In addition, he represents clients before the Committee on Foreign Investment in the United States (CFIUS), and advises clients on the Foreign Corrupt Practices Act (FCPA), the foreign direct investment reporting requirements of the Bureau of Economic Analysis (BEA), and other trade and investment-related regulations in the context of mergers and acquisitions.


•Export controls and economic sanctions
•Committee on Foreign Investment in the United States (CFIUS)
•Anticorruption compliance
•Foreign direct investment reporting
•Regulatory due diligence
•Foreign ownership, control or influence (FOCI)

Recognition & Leadership

Awards & Accolades

•Team Member, Corporate & Finance - International Counsel in Latin America (Florida-Based), Chambers Latin America Awards, 2017

Areas of Practice (4)

  • International Trade
  • Export Controls & Economic Sanctions
  • White Collar Defense & Special Investigations
  • Government Contracts

Education & Credentials

Contact Information:
202.533.2342  Phone
202.331.3101  Fax
University Attended:
University of Seville, Spain, Semester Abroad, 2002; Yale University, B.A., cum laude, 2003
Law School Attended:
Northwestern University School of Law, J.D., 2008
Year of First Admission:
Illinois; 2009, District of Columbia

Professional & Community Involvement

•Member, American Bar Association
•Steering Committee, Aerospace & Defense Industries Committee, Section of International Law and Practice (2014-2015)

French and Fluent and Spanish and Fluent

Peer Reviews

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Documents (43)

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Washington, District of Columbia

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