Tamer Nagy

Counsel, Washington, DC



Tamer Nagy guides clients through complex multijurisdictional mergers and acquisitions, counsels them on antitrust compliance matters, and helps them navigate investigations and regulatory proceedings before competition agencies around the world, including the U.S. Department of Justice, the Federal Trade Commission, the European Commission, the COMESA Competition Commission, and the competition authorities of Egypt, Kenya, Morocco, and South Africa, among others. Tamer also has significant experience in cross-border disputes with a focus on clients and matters in the Middle East.

Tamer has been a key member in merger clearance work for a number of strategic transactions, including most recently:

  • Saudi Aramco/Saudi Basic Industries Corporation (SABIC):  The 2019 merger of the world’s largest oil and petrochemical companies (closing pending regulatory clearance) -- US$69.1B
  • Metso Minerals/Outotec: A 2019 merger of two global companies specialized in technology and equipment for the minerals, metals and aggregates industries (closing pending regulatory clearance) -- combined sales of US$4.6B
  • Vertex Pharmaceuticals, Inc./CTP-656 from Concert Pharmaceuticals, Inc.: A 2017 deal that secured early termination at the FTC leading to a new combination drug for the treatment of cystic fibrosis -- US$250M
  • Anthem, Inc./Cigna Corporation: The 2016 largest-ever proposed M&A deal in managed care and its defense before the US courts -- US$54.2B
  • XO Communications, LLC/Verizon Communications: A 2016 highly-scrutinized sale that secured DOJ clearance without remedies or conditions following a second request investigation -- US$1.8B

Tamer Nagy also focuses on international dispute resolution in cross-border disputes. He worked on litigations before US federal and state courts, as well as arbitrations under ICSID and UNCITRAL. Tamer has also served as an arbitrator at the Cairo Regional Center for International Commercial Arbitration (CRCICA), including in an international maritime dispute in the petrochemical industry.

In addition, Tamer has assisted in the structuring and formation of private equity and investment funds targeting emerging markets, including Africa, Asia and the Middle East. He has represented investors, fund managers, and International Financial Institutions.

Tamer has extensive experience in matters relating to the Middle East, as well as matters involving public international law. He counseled governments and non-governmental organizations on numerous matters before international tribunals.

From 2011-2013, Tamer served on a pro bono secondment in Egypt, where he advised members of the constitutional assemblies of 2012 and 2013 on drafting Egypt's new constitution. He also advised civil society and other thought leaders on a wide range of constitutional and legislative reform issues during the democratic transition.

Prior to joining White & Case, Tamer was a member of an international law firm in Cairo, Egypt. His other professional experiences in Washington, DC, include research and public presentations on democracy and legal reform in the Middle East. Tamer was formerly known as Tamer Nagy Mahmoud.

Bars and Courts
District of Columbia Bar
Maryland State Bar
US District Court for the District of Columbia
American University, Washington College of Law
American University School of International Service
Earlham College


Speaking Engagements

Speaker Series: Pursuing a Career in International Legal Practice, Public International Law & Policy Group, July 2018

Effective Merger Clearance Strategies, White & Case Antitrust Symposium, April 2018

Changemakers: Pathways to Peace in the Middle East, World Affairs Council, Future of American Leadership Conference, November 2017

Democratic Transitions in the Middle East, ASIL Annual Meeting, April 2015

Career Options: Alumni Advice Panel, Washington College of Law, April 2015

The Role of Islamic Law in the Egyptian Constitution, Washington College of Law, April 2015

Freedom of Information Law, American University of Cairo, November 2014

Drafting an Egyptian Constitution, Bard College, April 2014

Transform: Relaying the Impact of Social Change, Seeds of Peace, April 2014

Egypt's Constitutional Quagmires, Swarthmore College, March 2014


Egypt Pursues Innovative Alternatives to Merger Control, White & Case, August 2019

Egypt's Competition Authority Seeks Active Merger Control, White & Case, September 2018

Egypt Considers Premerger Notification, White & Case, August 2017

Egyptian Women Deserve Better from Their Political System, Muftah Magazine, June 2014

Constitutional Fortitude, White & Case Social Responsibility Report, February 2014

The Half-Full Cup of Egypt's New Constitution, Atlantic Council, January 2014

Awards and Recognition

Recipient of a "40 under 40 Emerging Leaders Award", The M&A Advisor, 2018

Appointed to the Order of the Coif for high attainments in the study of law at American University, 2006