Benjamin G. Joseloff, a former White House and U.S. Treasury Department official, focuses his practice on advising U.S. and international clients on the regulatory aspects of cross‑border mergers, acquisitions, dispositions, investments and other business transactions. Joseloff is known in particular for his expertise on matters relating to the Committee on Foreign Investment in the United States (CFIUS).
Joseloff served in the U.S. government for five years, holding senior legal and policy roles relating to national security and foreign investment. From 2017 to 2018, Joseloff served as Director for International Trade and Investment at the National Security Council (NSC) and the National Economic Council (NEC), where he coordinated White House efforts relating to the Foreign Investment Risk Review Modernization Act of 2018 (FIRRMA), the most substantial update and expansion of CFIUS in 30 years. Most recently, Joseloff served as Senior Counsel and CFIUS Lead Counsel at the U.S. Department of the Treasury, where he led a team of attorneys that provided legal advice in connection with the Treasury Secretary’s role as Chairperson of CFIUS.
Lawdragon Honors
| Honor | Year | Practice |
|---|---|---|
| The 2026 Lawdragon 500 Leading Dealmakers in America | 2026 | M&A, Regulatory |
Joseloff’s notable representations include securing CFIUS approval for:
- Deutsche Bahn in the €14.8 billion sale of DB Schenker to DSV;
- Aon in its $13 billion acquisition of NFP;
- RWE in its $6.8 billion acquisition of the Con Edison Clean Energy Businesses;
- Micro Focus in its $6 billion acquisition by OpenText;
- International Distribution Services in its £3.6 billion acquisition by EP Group;
- Valvoline in its $2.65 billion sale of its Global Products business to Aramco;
- Vista Outdoor in the $2.225 billion sale of The Kinetic Group to Czechoslovak Group;
- Airspan in the sale of Mimosa to Radisys;
- Jefferies in the expansion of its strategic alliance with, and investment from, SMBC;
- Route Mobile and its founding shareholders in the sale of a majority stake in Route Mobile to Proximus Group; and
- a UK multinational in its acquisition of a U.S. healthcare data company.
During his time at the White House and Treasury, Joseloff participated in the review and resolution of hundreds of CFIUS transactions, negotiated or supervised the negotiation of dozens of CFIUS mitigation agreements, drafted portions of the CFIUS regulations and coordinated numerous engagements with U.S. allies and partners on investment security matters. Joseloff is one of few practitioners to have served as both a CFIUS lawyer at the Treasury and a CFIUS policymaker at the White House, giving him deep, hands‑on experience with every facet of the CFIUS process, from conducting initial jurisdictional analyses to coordinating Presidential prohibitions. In recognition of his contributions, Joseloff earned a number of individual and team awards for his government service, including the National Security Council’s Outstanding Service Award, the Secretary of the Treasury’s Meritorious Service Award and the Secretary of the Treasury’s Honor Award.
Joseloff’s experience also includes testifying before the U.S. House Subcommittee on National Security, Illicit Finance, and International Financial Institutions during a congressional hearing on CFIUS issues. He is a member of the American Bar Association, the International Bar Association and the American Society of International Law.