Chad R.Mizelle

Of Counsel

Miami + 1.305.714.9763 Washington + 1.202.879.3842

As former Acting General Counsel at the Department of Homeland Security (DHS), Chad Mizelle offers clients a valuable perspective on complex international trade and customs matters, cross-border investments, and internal and government investigations.

Chad has substantial experience helping clients navigate complex regulatory schemes. While at DHS, Chad helped shape the Department's approach to reviews conducted by the Committee on Foreign Investment in the United States (CFIUS). Chad also played an instrumental role in DHS's efforts to eliminate forced labor in corporate supply chains and has advised companies on Withhold Release Orders (WROs) issued by Customs and Border Protection. Chad has counseled extensively on challenges to tariffs and customs penalties, cyber incidents affecting national security, natural disasters, and the COVID-19 crisis.

Chad has valuable experience handling high-stakes investigations, including those involving intense media scrutiny. Chad has successfully represented clients before numerous House and Senate committees, as well as clients facing state attorneys general investigations. He has also helped prepare senior executives, including five presidential cabinet members, for testimony before Congress.

Before joining Jones Day, Chad held numerous positions in the government. In addition to serving as Acting General Counsel, Chad served as Chief of Staff at DHS, as Associate Counsel to the President at the White House, and as Counsel to the Deputy Attorney General at the Department of Justice. Chad previously practiced appellate and constitutional law in the Washington office of a major law firm and clerked on the U.S. Court of Appeals for the District of Columbia Circuit.


  • PTTGC acquires allnex from AdventJones Day is advising PTT Global Chemical Public Company Limited in the €4 billion acquisition of allnex Holding GmbH from Advent International.
  • Speaking Engagements

    • January 30, 2021
      COVID-19 and the Separation of Powers