Brian advises clients on the U.S. national security review process administered by the Committee on Foreign Investment in the United States (CFIUS) and related reviews conducted by the interagency working group known as Team Telecom. Brian also advises clients on sensitive national security investigations and compliance matters, including mitigation agreements with CFIUS and issues under the National Industrial Security Program (NISPOM) and the Defense Counterintelligence and Security Agency (DCSA) in proceedings related to the mitigation of foreign ownership, control, or influence (FOCI). Brian regularly advises on matters involving China and the region, supply chain security, and other U.S.-China policy and regulatory issues.