Earl Anthony Wayne is an American diplomat. Formerly Assistant Secretary of State for Economic and Business Affairs, Ambassador to Argentina and Deputy Ambassador to Afghanistan, Wayne served nearly four years as Ambassador to Mexico. He was nominated by President Obama and confirmed by the Senate in August, 2011. He departed Mexico City for Washington July 31, 2015 and retired from the State Department on September 30, 2015. Wayne attained the highest rank in the U.S. diplomatic service: Career Ambassador. He is currently a Professorial Lecturer and Distinguished Diplomat in Residence at American University's School of International Service where he teaches courses related to diplomacy and US foreign policy. Wayne also works with the Woodrow Wilson International Center for Scholars, the Atlantic Council, the Center for Strategic and International Studies,. Wayne is co-chair of the Mexico Institute's Advisory Board at the Wilson Center. He is also on the board of the American Academy of Diplomacy and the Public Diplomacy Council of America. Wayne is an independent consultant, speaker and writer and works with several not-for-profit professional associations. He was an adviser for HSBC Latin America on improving management of financial crime risk from 2015 until 2019 and served on the board of the American Foreign Service Association from 2017 to 2019.

Carlos Pascual is a Cuban-American diplomat and the former U.S. Ambassador to Mexico and Ukraine under President Barack Obama and Bill Clinton respectively. He served at the U.S. Agency for international Development from 1983 to 1995, and at the White House National Security Council from 1995 to 2000, ultimately as senior director for Russia, Ukraine and Eurasia. He was the State Department Coordinator for U.S. Assistance to Europe and Eurasia, and subsequently the Coordinator for Reconstruction and Stabilization from 2003 to 2005. Later he served at the Brookings institution and was appointed Special Envoy and Coordinator for International Energy Affairs at the State Department's Bureau of Energy from 2011 to 2014.