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Sean M. Reilly

Washington, DC

+1 (202) 721-4634

+1 (305) 373-5682

[email protected]
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Sean M. Reilly is Co-Chair of the Sanctions, Export Controls & Anti-Money Laundering practice group and a member of the Global Investigation, Enforcement and Compliance practice group in the Washington, D.C. and Miami offices at Hughes Hubbard & Reed. Sean advises U.S. and foreign companies on economic sanctions, export controls, foreign investment national security reviews and investigations by the Committee on Foreign Investment in the United States (“CFIUS”), the Foreign Corrupt Practices Act (“FCPA”), and international trade policy.

Sean works with his U.S. and global clients to assess and address business risks, design and implement compliance programs, conduct internal investigations, and strategically engage with federal regulators related to his clients’ sanctions, export control, anti-corruption, and investment security obligations. He regularly counsels investors and public and private companies with respect to the potential national security implications of mergers, acquisitions, and other investment transactions. In the M&A context, he conducts assessments of the parties’ CFIUS obligations, as well as the implications of recent restrictions imposed on outbound investments related to national security technologies and products in countries of concern.

Sean also represents clients in complex litigation matters, including commercial, products liability, securities class action and derivative litigation.

Prior to joining Hughes Hubbard & Reed, Sean served in the U.S. Department of Commerce, including as assistant to the secretary and director of the department's Office of Policy and Strategic Planning. In this role, he acted as senior economic, international trade, export control and foreign policy advisor to the Secretary of Commerce. During his tenure, he worked with White House staff and other Cabinet agencies to develop and advance policies related to international trade, export controls, sanctions, national security, and the review of cases pending before CFIUS.

Following law school, Sean served for nearly five years as judge advocate in the United States Air Force.

Previous Experience

  • Assistant to the secretary and director of Policy and Strategic Planning, US Department of Commerce, 2007 – 2009
  • Chief of staff, Market Access and Compliance, International Trade Administration, US Department of Commerce, 2006 – 2007
  • Acting director, Office of the Executive Secretariat, Office of the Secretary, US Department of Commerce, 2004 – 2006
  • Judge advocate, captain, United States Air Force, 1994 – 1998

Recognition

  • 2019, 2015 Capital Pro Bono Honor Roll, sponsored by the District of Columbia Court of Appeals and the Superior Court of the District of Columbia
  • 2018, 2023 Capital Pro Bono High Honor Roll, sponsored by the District of Columbia Court of Appeals and the Superior Court of the District of Columbia

Highlighted Publications and Presentations

  • “Beyond Borders: The Impact of the New Administration on Global Sanctions and Export Controls,” Hughes Hubbard & Reed, webinar, Feb. 27, 2025.
  • Cited in “CFIUS Stresses Scrutiny of Limited Partners, Enforcement at Annual Conference, Law Firms Say,” Export Compliance Daily, Nov. 29, 2024.
  • “The ‘High Probability’ Standard for Export Controls: Challenges and Opportunities for Internal Compliance,” Association of Certified Sanctions Specialists (“ACSS”), Oct. 3, 2024
  • “Whack-a-Mole Sanctions Compliance Can Benefit From War Lessons,” Bloomberg Law, Feb. 29, 2024 (with Kevin Carroll and Sean Reilly).
  • “US Products in Enemy Weapons Need Scrutiny Across Supply Chains,” Bloomberg Law, Feb. 14, 2024 (with Kevin Carroll and Sean Reilly)
  • Shoe-In Podcast Episode #36, “You Run a Global Footwear Business, Do You Know the Foreign Corrupt Practices Act?” February 7, 2017

Court Admissions

  • U.S. District Court for the District of Columbia
  • U.S. District Court for the Southern District of Florida
  • U.S. District Court for the Middle District of Florida
  • U.S. District Court for the Eastern District of Virginia
  • U.S. District Court for the Western District of Virginia

Highlighted Matters

  • Represented Mercedes-Benz on its investment in humanoid robotics company Apptronik's $403 million Series A funding round.
  • Represented Sphere Entertainment, a live entertainment and media company, in its acquisition of Advanced Electronic Design, an engineering product development firm.
  • Represented global information technology leader Infosys in its acquisition of MRE Consulting, a Houston-based energy consulting company
  • Represented Japanese investment fund related to investment in U.S. battery technology company
  • Represented Mercedes-Benz in its investment in humanoid robotics company Apptronik’s $403 million Series A funding round
  • Represented international air carrier on sanctions and export control compliance, including issues related to flights to Cuba and Venezuela
  • Represented U.A.E.-based commodities trading company regarding petition to OFAC for removal from SDN List
  • Represented Wipro in its $40 million acquisition of U.S.-based IT services consulting firm Applied Value Technologies
  • Represented Japanese industrial company on its investment in U.S. robotics company
  • Represented European logistics company regarding U.S. export controls and sanctions compliance
  • Represented Indian hotel OYO on its acquisition of G6 Hospitality, the parent company of U.S. hospitality brand Motel 6
  • Represented Rheinmetall AG in its $950 million acquisition of Loc Performance Products
  • Represented aviation leasing companies regarding Russia sanctions compliance and related litigation
  • Representation of Sotheby’s in connection with a $1 billion minority investment round with Abu Dhabi-based investment and holding company ADQ and other investors.
  • Represented Knorr-Bremse AG in its €630 million acquisition of the North American rail signaling business of Alstom
  • Represented global investment firm in its acquisition of U.S. aviation parts and components manufacturer
  • Represented Japanese investment fund related to joint venture investment in U.S. manufacturing company
  • Represented multinational oil and gas company regarding an internal review of compliance with economic sanctions and export controls, specifically related to distribution network
  • Represented energy services firm in conjunction with an SEC investigation and negotiated resolution
  • Represented international aerospace and defense company in connection with export controls compliance and criminal investigations by multiple jurisdictions related to its historical use of third parties
Treasury Announces First Steps Toward Fast-Track CFIUS Process
Client Advisories
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China’s Anti-Foreign Sanctions Law Gets Teeth: Understanding the 2025 Implementation Regulations
Client Advisories
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Designation of Criminal Cartels as Foreign Terrorist Organizations Increases Compliance Risks for Companies (US or Not) Operating in Mexico and Greater Latin America
Client Advisories
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Navigating New US AI Controls: Practical Guidance and Case Study for Companies in “Middle Tier” Countries
Client Advisories
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Treasury’s 2024 Annual CFIUS Conference Highlights Final Rule Enhancing Monitoring and Enforcement Provisions of CFIUS Regulations
Client Advisories
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Treasury Adopts the “High Probability” Standard in Final Rule Restricting Certain Outbound Investments to China: What this Means, and How to Respond
Client Advisories
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New U.S. Guidance Raises the Export Controls Due Diligence Bar for Financial Institutions under the “High Probability” Standard
Client Advisories
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BIS Issues Guidance Regarding Expectations for Companies and Universities Notified of Specific Export Diversion Risks
Client Advisories
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BIS’s 2024 Update Conference: Key Takeaways from Assistant Secretary for Export Enforcement Matthew Axelrod’s Remarks
Client Advisories
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Latest Tri-Seal Compliance Note Highlights Applicability of U.S. Sanctions and Export Control to Persons and Entities Located Outside of the United States
Client Advisories
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How We Can Apply Lessons from War to Exit Endless Whack-A-Mole Sanctions & Export Controls Compliance
Client Advisories
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US Products in Enemy Weapons Need Scrutiny Across Supply Chains
Client Advisories
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The U.S. Government Significantly Ramps Up Authority to Impose Sanctions against Foreign Financial Institutions that Facilitate the Supply of Russia’s War Machine
Client Advisories
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Quint-Seal Compliance Note–Know Your Cargo: Best Practices for Maritime and Other Transportation Industries
Client Advisories
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OFAC Issues Venezuela-Related Sanctions Relief
Client Advisories
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U.S. Commerce Department's Bureau of Industry and Security Rule Regarding Advanced Computing Chips
Client Advisories
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The White House Imposes Limited Restrictions on Outbound U.S. Investments to China
Client Advisories
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DOJ, BIS, and OFAC Release Joint Guidance on Disclosing Potential Violations
Client Advisories
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EU Adopts Eleventh Package of Sanctions Against Russia for its Continued Illegal War Against Ukraine
Client Advisories
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Commerce Updates ICTS Regulations With New App Controls
Client Advisories
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U.S. Government Expands Trade Controls and Issues Updated Financial Industry Guidance to Counter Russian War Efforts
Client Advisories
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DOJ Announces Boost to Sanctions and Export Control Enforcement Efforts
Client Advisories
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New U.S. Trade Controls on Russia Mark One Year of War in Ukraine
Client Advisories
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DOJ and Commerce Announce New Disruptive Technology Strike Force to Enhance U.S. Export Control Regime
Client Advisories
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The Evolving Role of CFIUS: Predictions for 2023
Client Advisories
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New Law Enhances Reward Program for AML and Sanctions Whistleblowers
Client Advisories
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The U.S. Department of the Treasury Implements Historic Humanitarian Sanctions Exceptions
Client Advisories
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CFIUS Issues First-Ever Enforcement and Penalty Guidelines
Client Advisories
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Commerce Imposes Sweeping Semiconductor Export Controls on China and Changes to Unverified List Enforcement Policy
Client Advisories
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FinCEN Issues New Rule for Beneficial Ownership Reporting
Client Advisories
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New CFIUS Executive Order Adds National Security Factors for Evaluating Foreign Investments
Client Advisories
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European Commission Unveils Forced Labor Ban Proposal; U.S. Department of Homeland Security Publishes More Details on UFLPA Entity List
Client Advisories
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CBP Releases Uyghur Forced Labor Prevention Act Guidance
Client Advisories
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U.S. Expands License Requirements for Russia and Belarus to Include All Items on Commerce Control List
Client Advisories
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U.S. Intensifies Russia Sanctions in Response to Bucha Charges in Ukraine
Client Advisories
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U.S. and EU Announce Subsequent Rounds of Sanctions in Response to Russia’s Ongoing Aggression Against Ukraine
Client Advisories
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U.S. and EU Announce Next Rounds of Sanctions in Response to Russia’s Military Aggression Against Ukraine
Client Advisories
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U.S. and EU Announce Export Controls for Belarus and Russia, Additional Sanctions Targeting Russia
Client Advisories
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U.S. Imposes Additional Sanctions, EU Imposes Second and Third Rounds of Sanctions on Russia for Ukraine Invasion
Client Advisories
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U.S. Imposes Second Round of Sanctions on Russia and Belarus for Ukraine Invasion
Client Advisories
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U.S. and EU Impose Sanctions in Connection with the Crisis in Ukraine
Client Advisories
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FinCEN Proposes Beneficial Ownership Rules to Implement Anti-Money Laundering Act of 2020 and Strengthen Bank Secrecy Act
Client Advisories
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L'UE étend les sanctions contre la Biélorussie dans un contexte d’attaque hybride et de répression continue
Client Advisories
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EU Expands Sanctions against Belarus Amid Hybrid Attack and Continued Repression
Client Advisories
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The New EU Dual-Use Regulation Enters into Force: Overview of the Main Changes
Client Advisories
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President Biden Announces Major Expansion of Sanctions Targeting Russia
Client Advisories
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OFAC Announces Burma Sanctions in Response to Coup
Client Advisories
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New Anti-Money Laundering Law Expands Government’s Ability to Gather Financial Information from Private Parties
Client Advisories
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BIS Releases Final Rule Creating List of Chinese and Russian “Military End Users”
Client Advisories
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Commerce Adds Seventy-Seven Parties to Export Blacklist
Client Advisories
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President Trump Issues Executive Order Prohibiting Investments in Certain Chinese Companies
Client Advisories
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U.S. Department of the Treasury Highlights Compliance Risks with Ransomware Payments
Client Advisories
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U.S. Department of Commerce Tightens Entity List Restrictions and Adds Huawei Entities
Client Advisories
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First Reference to the European Court of Justice to Interpret the EU Blocking Statute in the Bank Melli Iran v. Telekom Deutschland GmBH Case
Client Advisories
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CFIUS Proposes Changes to Mandatory Declaration Requirements
Client Advisories
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BIS Introduces Significant Restrictions on Huawei
Client Advisories
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Treasury Proposes Filing Fees for CFIUS Voluntary Notices
Client Advisories
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Trump Administration Imposes Heightened Sanctions on Iran in Response to Missile Strike
Client Advisories
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Helms-Burton Lawsuits Targeting Companies Doing Business in Cuba Ramp Up
Client Advisories
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DOJ Announces Revised Voluntary Self-Disclosure Program for Willful Export Control and Sanctions Violations
Client Advisories
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Commerce Department Issues Proposed Rule Creating Sweeping Review Mechanism to Combat Foreign Influence in U.S. Telecommunications Infrastructure
Client Advisories
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United States Imposes Sanctions on Turkey for Military Action in Syria
Client Advisories
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U.S. Government Adds Chinese Governmental and Commercial Organizations to the Entity List
Client Advisories
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OFAC Gives Red Light to Cuban U-Turn Transactions
Client Advisories
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Commerce Temporarily Eases Trade Restrictions on Huawei
Client Advisories
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Trump Administration Issues Dual Orders Targeting Huawei and Economic Espionage
Client Advisories
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U.S. Withdraws from Iran Nuclear Deal, Issues Guidance on "Snapback" Sanctions and Wind-Down Activities
Client Advisories
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President Obama Terminates U.S. Sanctions on Burma
Client Advisories
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New OFAC Sanctions Target Russian Companies
Client Advisories
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News

Hughes Hubbard Announces New Cartel/Foreign Terrorist Organization Designations Taskforce
News & Events
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Hughes Hubbard Advised Mercedes-Benz in Investment in Apptronik’s $403M Series A Funding Round
News & Events |
Deals & Matters
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Hughes Hubbard Reps Wipro in $40M Applied Value Technologies Acquisition
News & Events |
Deals & Matters
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Firm Drives OYO’s All–Cash $525M Purchase of Motel 6
News & Events |
Deals & Matters
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Firm Named to Global Investigations Review’s GIR 30 List for Second Year in a Row
News & Events
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Firm Reps Sotheby’s in $1 Billion Investment Round
News & Events |
Deals & Matters
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Firm Reps Rheinmetall in Acquisition of Loc Performance Products
News & Events |
Deals & Matters
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23 Hughes Hubbard Attorneys Named to 2023 Capital Pro Bono Honor Roll
News & Events
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Hughes Hubbard Advises on Knorr-Bremse's Acquisition of North American Rail Signaling Business from Alstom
News & Events |
Deals & Matters
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Firm Reps Wipro in $66M Aggne Global Acquisition
News & Events |
Deals & Matters
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Firm Named to Global Investigations Review’s GIR 30 List
News & Events |
Awards
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Hughes Hubbard Advises AURELIUS in HAECO Cabin Solutions Acquisition
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Litigation Wrap: Third Quarter 2023
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Firm Guides Save Our Allies’ Fraud Suit
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Deals & Matters
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Hughes Hubbard Successfully Negotiates Buyout for Tenants
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Pro Bono
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Education
  • University of Notre Dame Law School, J.D., 1993, cum laude, Concannon Programme in International Law, London
  • University of Richmond, B.S., 1990, cum laude
Bar Admissions
  • District of Columbia
  • Florida
Areas of Focus
Complex Business Disputes
Defense Industry
Global Investigations, Enforcement and Compliance
Litigation
Product Liability
Regulatory Compliance
Sanctions, Export Controls & Anti-Money Laundering
Securities Litigation
Toxic Torts & Environmental
White Collar & Regulatory Defense

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