Catherine Hein advises clients on national security matters, including related to the Committee on Foreign Investment in the United States (CFIUS) and the Office of Foreign Assets Control (OFAC).*

Ms. Hein helps clients across industries to identify and strategically address potential issues that may implicate CFIUS authorities. She draws on significant experience in cross-border investments and US national security regulatory regimes. 

Prior to joining Latham, she served as Acting Principal Deputy Assistant General Counsel for Enforcement & Intelligence at the US Department of the Treasury (Treasury), where she supported OFAC and the Financial Crimes Enforcement Network (FinCEN). She previously served as the CFIUS Managing Counsel at Treasury, where she led a team of more than 20 lawyers on foreign investment reviews by CFIUS. 

In her public service, Ms. Hein advised Treasury leadership and administration stakeholders on policy issues and legal authorities and requirements in connection with foreign investment reviews, economic sanctions, and other US national security matters. She worked extensively on all aspects of CFIUS cases, including non-notified transactions, negotiating complex mitigation agreements, and compliance and enforcement actions.  

Ms. Hein has worked for US government agencies on financing for international development and infrastructure projects. She began her career as a banking and finance attorney at an international law firm.

Ms. Hein’s experience includes advising clients on CFIUS, sanctions, and export control matters in the advanced computing, artificial intelligence, semiconductor, biotechnology, energy, critical minerals, real estate, and financial services sectors, including the following representative matters:

  • A portfolio company of a private equity fund in securing CFIUS clearance for the sale of natural gas power plants
  • A private equity firm in securing CFIUS clearance for the sale of a company that designs and manufactures engineered systems and solutions for industrial and transportation applications
  • Bosch Group in securing CFIUS approval for its acquisition of certain assets of TSI Semiconductors Corporation, a US chipmaker with a foundry in Roseville, California
  • A nanotechnology company in securing CFIUS clearance for the sale of assets related to its proprietary quantum dot technology, including intellectual property and R&D facilities
  • A multinational conglomerate in connection with transactions in the technology, energy, and security sectors
  • Asia-based biotechnology companies in connection with strategic acquisitions, including advising on CFIUS
  • US investors and financial institutions in connection with Executive Order 14105 regulating certain outbound investments by US persons
  • A Chinese technology conglomerate in connection with general compliance on trade controls, CFIUS, sanctions, and related policy developments
  • A sovereign wealth fund in connection with an investment in a provider of solutions for automated driving systems and advanced driver assistance systems
  • A Canadian private equity firm in connection with the acquisition of a property and casualty insurance company

Bar Qualification

  • District of Columbia
  • New York


  • JD, Columbia Law School, 2002
    James Kent Scholar, Harlan Fiske Stone Scholar