Greg's practice focuses on complex commercial litigation and arbitration and the Foreign Corrupt Practices Act (FCPA). His diverse experience includes significant commercial litigation involving contractual, business tort, and product liability claims; False Claims Act (FCA) matters; Administrative Procedure Act (APA) issues; intellectual property disputes; international arbitrations; and anti-corruption matters.
Among other high-profile matters, Greg represents a defense contractor in an international dispute with the Republic of Korea stemming from a terminated Foreign Military Sales transaction, in which he obtained a declaration, affirmed by the Fourth Circuit, that Korea’s claims against the contractor were improper under federal common law; represents the same contractor in a multi-million-dollar breach of contract, indemnity, and business tort dispute with its subcontractor, in which the court dismissed all but two of the subcontractor’s multiple claims; represents FastShip, the inventor of a revolutionary hull design, in a misappropriation of trade secrets and breach of contract case against Lockheed Martin Corporation; represented a patent holder in a successfully settled, multi-party infringement litigation concerning wireless e-mail products and systems; represented a New York Stock Exchange (NYSE)-listed French multinational in a $4 billion securities class action suit (settled for less than $7 million, or less than 1 percent of the original claims); represented several oil companies in a breach of contract claim against the United States resulting in a $1.8 billion award; represented a South American pharmaceutical company in an International Chamber of Commerce (ICC) arbitration involving contractual and patent claims, successfully negating a non-compete provision in an agreement concluded by two sophisticated companies; and represented a European satellite operating company in an ICC arbitration involving multiple contractual and business tort claims and counterclaims, resulting in a large, favorable award for his client.
Greg's FCPA experience runs the gamut, including managing world-wide internal investigations; conducting due diligence on international agents, joint venture partners, and other third parties; and designing corporate anti-corruption compliance and training programs.
- Represents leading real estate company against South Korean construction company in multi-billion dollar international arbitration and related U.S. litigation over ownership rights in newly-constructed, smart city.
- Represents Guinean-American company in international arbitration against global aluminum companies over bauxite shipping rights.
- Represents company focusing on fuel cell technology in parallel arbitrations against international energy company in dispute over exclusive licensing rights.
- Represents defense contractor in international contractual dispute with the Republic of Korea over terminated agreement to upgrade F-16 fighters.
- Represents technology company in misappropriation of trade secrets case related to Littoral Combat Ship program.
- Represents government contractor in dispute with multiple pension funds based on allegation that contractor sought to evade or avoid pension liabilities.
- Successfully represented government contractor in dispute with its subcontractor.
- Successfully represented NTP, Inc., in patent infringement suits regarding wireless email products and systems.
- Successfully represented Alstom SA in a worldwide securities class action.
- Successfully represented a South American pharmaceutical company in an international arbitration involving a dispute under a supply agreement and related patent issues.
- Successfully represented a European satellite operating company as claimant against a major European aerospace company in international arbitration involving claims and counterclaims exceeding $150 million.
- Represented a NYSE-traded company in connection with an internal investigation relating to business in Nigeria and other parts of West Africa and related U.S. Securities and Exchange Commission (SEC) and U.S. Department of Justice (DOJ) inquiries.
- Represented a Fortune 500 company in connection with FCPA advice, due diligence, and investigations regarding business throughout the Middle East – including Iraq, the United Arab Emirates (UAE), Kuwait, and Qatar – and China, Central Asia, and Nigeria, among other regions.
- Represented a leading international logistics company and government contractor on a wide range of anti-corruption matters spanning the globe, including conducting multiple internal investigations and due diligence in connection with mergers & acquisitions and third parties.
- Advised a private equity company with respect to investments in portfolio companies in countries across Africa and Asia.
- Advised a leading franchisor with respect to FCPA matters in the UAE, Russia, and China.
- Board Member, Osgood Center for International Studies
- U.S. Chamber of Commerce, International Policy Committee
- Member, Steering Group, International Litigation Committee, ABA Section of International Law (2016)
- Member, International Bribery and Corruption Task Force, United States Council for International Business (2016)
- Recognized as one of the nation’s top “Litigation Trailblazers” by The National Law Journal (2019)
- Named to Law360's International Arbitration Editorial Advisory Board (2021)
- Named an “Acritas Star Lawyer” (2018)
- Received 2015 Burton Award for Distinguished Legal Writing
J.D., University of Virginia School of Law
M.A., with distinction, Johns Hopkins School of Advanced International Studies
B.A., with honors, Austin College
Editor, Virginia Law Review
- Law Clerk for the Honorable Jacques L. Wiener, U.S. Court of Appeals for the Fifth Circuit (1998-1999)
Bar and Court Memberships
- District of Columbia Bar
- Supreme Court of the United States
- U.S. Court of Appeals for the Second Circuit
Related News & Insights
- Press ReleaseGreg Williams Named 2019 ‘Litigation Trailblazer’ by The National Law JournalSeptember 4, 2019
- AlertKey Takeaways From Roundup Verdicts So FarLaw360Richard W. Smith, Gregory M. Williams, Tracy HeinzmanMay 17, 2019
- ArticleINSIGHT: Cookie Coupons Rile DOJ Sensibilities, Indicating Possible Uptick in Class Action ObjectionsBloomberg LawDouglas C. Dreier, Richard W. Smith, Gregory M. WilliamsMarch 19, 2019
- Press ReleaseWiley Rein Named Government Contracts ‘Practice Group of the Year’ by Law360 for Fifth Consecutive YearFebruary 21, 2019