Earl Anthony Wayne taught as a Distinguished Diplomat in Residence and Professorial Lecturer at American University's School of International Service from 2019-2026.  He is currently teaching part-time and working with a range of different professional groups.  Wayne is a former Assistant Secretary of State for Economic and Business Affairs, a former U.S. ambassador to Mexico and to Argentina, and a former Deputy Ambassador in Afghanistan. He left the U.S. diplomatic corps with the rank of Career Ambassador after 40 years of service. Wayne was co-chair of the Mexico Institute at the Woodrow Wilson Center and then at the InterAmerican Dialogue's Mexico program through 2025.  He continues to support that effort and is a Senior Non-Resident Adviser at the Atlantic Council and supports work at the Center for Strategic and International Studies and the Brookings Institution.  Wayne serves on the board of the Public Diplomacy Council of America.  He is a member of American Academy of Diplomacy and participates in other international affairs organizations.  Wayne speaks, writes and consults on a range of international and management topics.