David J. Ribner


Thank you for your interest. Before you communicate with one of our attorneys, please note: Any comments our attorneys share with you are general information and not legal advice. No attorney-client relationship will exist between you or your business and O’Melveny or any of its attorneys unless conflicts have been cleared, our management has given its approval, and an engagement letter has been signed. Meanwhile, you agree: we have no duty to advise you or provide you with legal assistance; you will not divulge any confidences or send any confidential or sensitive information to our attorneys (we are not in a position to keep it confidential and might be required to convey it to our clients); and, you may not use this contact to attempt to disqualify O’Melveny from representing other clients adverse to you or your business. By clicking "accept" you acknowledge receipt and agree to all of the terms of this paragraph and our Disclaimer.


David J. Ribner counsels US and foreign clients on international trade and investment regulatory matters, including trade and anticorruption compliance. His practice focuses on advising clients seeking national security approvals of foreign investment by the Committee on Foreign Investment in the United States (CFIUS). Mr. Ribner also counsels clients on US economic sanctions, export controls, customs laws, and antiboycott regulations as well as the Foreign Corrupt Practices Act (FCPA). His clients span a variety of industries, with a focus on companies operating in the technology and energy sectors.

Honors & Awards

  • Named to the Washington, DC Rising Stars list by Super Lawyers (2016-2019)


Bar Admissions

  • District of Columbia
  • New York


  • Georgetown University, J.D.
  • King's College London, University of London M.A.
  • Columbia University, B.A.

Professional Activities



  • Panelist, “Everything Old is New Again: CFIUS and FIRRMA – How Will the Potential Changes Affect FDI in Your Company?” 97th Annual AAEI Conference and Expo (June 2018)
  • Represents foreign investors and US companies in connection with obtaining clearance by the Committee on Foreign Investment in the United States. 
  • Counsels US and foreign clients on compliance with US sanctions, export controls, customs rules, and antiboycott laws. 
  • Conducts internal investigations relating to potential violations of economic sanctions laws, antiboycott laws, the FCPA, the EAR, and Census rules.
  • Represents US and foreign companies in connection with enforcement matters arising from potential violations of FCPA, economic sanctions, and export controls, including assisting clients in responding to subpoenas and other information requests from the Department of Justice, the Securities and Exchange Commission, the Commerce Department's Office of Export Enforcement, the Treasury Department's Office of Foreign Assets Control, and the Nuclear Regulatory Commission.
  • Advises companies on the development and implementation of corporate compliance programs in the areas of FCPA, export controls, economic sanctions, and the antiboycott laws.

Alerts and Publications

President Trump Orders Chinese Company to Divest Acquisition of US Hotel Software Company

3월 9, 2020

Treasury Issues Proposed Rule for CFIUS Filing Fees

3월 5, 2020

Treasury Finalizes New CFIUS Regulations

1월 14, 2020

Department of Justice Revises Guidance on Export Control and Sanctions Enforcement Policy

12월 17, 2019

Commerce Seeks Comment on Telecom Supply Chain Review Process

12월 3, 2019

United States Lifts Sanctions on Turkish Government Ministries and Cabinet Officials

10월 24, 2019

United States Imposes Sanctions on Turkish Government Ministries and Cabinet Officials

10월 15, 2019

Treasury Issues Long-Awaited Proposed CFIUS Regulations

9월 30, 2019

Expansion of US Economic Sanctions Measures on Iran, Venezuela, and Other Jurisdictions Compel Companies Operating Internationally to React Quickly

5월 8, 2019

CFIUS Update: Interim Regulations, FIRRMA Pilot Program, and Proposed Rulemaking on Emerging Technologies

11월 27, 2018

Energy Industry Impact of New CFIUS Pilot Program Rules

11월 20, 2018

US Completes Withdrawal from Iran Nuclear Deal with Conclusion of Wind-Down Period, Imposition of New Sanctions

11월 6, 2018

Venture-Backed M&A: Hot Topics and Recent Developments in 2018

11월 5, 2018

New Russian Sanctions Restrict Exports of Sensitive Goods; Additional Sanctions Likely in Three Months

8월 28, 2018

Tougher Stance on Chinese Investments Comes at a Cost

8월 10, 2018

CFIUS Update: Congress Enacts the Foreign Investment Risk Review Modernization Act

8월 6, 2018

Stricter Regulation of Foreign Investments and Exports Advances: An Update

6월 28, 2018

Stricter Regulation of Foreign Investments Advances on Two Fronts: Congressional Committees Approve CFIUS Reform Legislation, and President Trump Announces Forthcoming Restrictions on Investments from China

5월 29, 2018

President Trump Withdraws United States from Iran Nuclear Deal

5월 8, 2018


In the News

Press Releases