Executive Leadership 

Our executive leadership is comprised of Ambassador Cecilia Nahón and Professor Andrew Spath. Together they guide the development of the program and offer mentorship to the student staff. Their exceptional combined leadership and academic experience have been responsible for the growing popularity and notoriety of the Model G20 program.

Cecilia Nahón, Executive Director

Cecilia Nahón is an economist whose experience extends across the public, academic, and private sectors. Until recently, she served as Ambassador of Argentina to the US (2013-2015) and G20 Sherpa of Argentina (2012-2015). As the Argentine Sherpa during the Mexican, Russian, Australian, and Turkish presidencies she was the lead representative responsible for the Communique and pre-summit negotiations. Nahón was also the lead negotiator on trade, investment, climate change, employment, and anti-corruption issues.

She holds a PhD in Social Sciences from the Latin American School of Social Sciences in Argentina, a MSc in Development Studies from the London School of Economics, and a BA in Economics from the University of Buenos Aires. She has extensive experience teaching undergraduate and graduate-level courses and has published several academic articles and opinion pieces in Argentina and the US. In her role as Ambassador, as well as throughout her career, she had the opportunity to deliver speeches and give presentations in universities, think tanks, labor unions, business organizations, and international institutions, among others.

Andrew Spath, Associate Director

Andrew Spath joined the SIS faculty in 2014. His teaching and research focus on politics of the Middle East, authoritarianism, protest and repression, research methods, and simulations. He has conducted extensive field research in the Middle East with the Fulbright IIE, Fulbright Hays, and Boren fellowships. Professor Spath teaches a range of courses including Contemporary Middle East Politics, Arab Politics & Society, Arab-Israeli Relations, Comparative Authoritarianism, Model United Nations, and research methods classes.

Aside from his teaching and research, Professor Spath is Associate Director of the Model G20 Initiative and the faculty advisor for the American University International Relations Society (AMIRS) and the Delta Phi Epsilon foreign service fraternity. He is affiliated with the Comparative and Regional Studies Program, the Global Governance, Politics, and Security program, and the Research Methods faculty at the undergraduate and graduate levels. Professor Spath is also a Fellow in the Middle East Program at the Foreign Policy Research Institute (FPRI).

Student Leadership

Our student leaders assist the executive staff in the planning and execution of our yearly summit. Their responsibilities span from researching and writing policy notes to coordinating our catering and events. Through participation in our program they get to work closely with G20 practitioners, meet with experts, and gain valuable real world skills.

This year our staff is comprised of over 30 talented American University graduate and undergraduate students. In total they speak 22 languages, have a combined 120 years of simulation experience, and hail from 16 states and 8 countries.

Our team is here to ensure that you have the best experience possible. If you have any questions or concerns, please contact us.

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Hanna Kasahara is a graduate student pursuing her MA in International Peace and Conflict Resolution in the School of International Service. Building upon her roles at UNICEF, the Permanent Mission of Japan to the United Nations, and head of the Japanese delegation to the Y20 China, Hanna is currently serving as the Co-Director of Delegate Communications for Y20 Japan.

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Mitchell Lenneville is a senior in the School of Public Affairs. He is a Politics, Policy and Law (PPL) Scholar studying Communications, Legal Institutions, Economics, and Government (CLEG). Mitchell served as last year’s Model G20 Sherpa and is a member of the Model UN and Model Arab League teams. He currently works as a speechwriting intern for the U.S. Attorney General, is a community college alumnus, and prior to coming to AU he worked in politics including managing several races.