Ambassador Mari Carmen Aponte

Ambassador Mari Carmen Aponte is a distinguished diplomat, attorney, and public servant who embodies a life-long commitment to public leadership. Twice confirmed by the U.S. Senate, she served as U.S. Ambassador to El Salvador (2010–2016) and to the Republic of Panama (2022–2024). She served as Acting Assistant Secretary of State for Western Hemisphere Affairs (2016–2017), overseeing U.S. diplomatic engagement across Latin America and the Caribbean.

Aponte is widely recognized for building regional partnerships, strengthening bilateral cooperation, and advancing democratic values. As Ambassador to El Salvador, she helped negotiate the renewal of the Millennium Challenge Corporation compact, a $277 million investment in infrastructure and education. Her diplomatic approach combines policy acumen with cultural fluency, based in her experience as an attorney and her decades working in the Hispanic community.

Aponte’s extraordinary career bridges the public, private, and nonprofit sectors. Prior to her diplomatic service, she practiced law for over 25 years, representing national nonprofits and media clients. She served as Executive Director of the Puerto Rico Federal Affairs Administration (PRFAA), overseeing the coordination of federal funding for Puerto Rico and operating 13 offices serving underserved communities across the U.S. A former White House Fellow who maintains strong ties with the program, Aponte is highly regarded as a role model and much sought after as a mentor.

Aponte was the first woman to lead the Hispanic National Bar Association and has served on the boards of UnidosUS, the Puerto Rican Legal Defense and Education Fund. She has served on the boards of educational institutions, including the University of the District of Columbia, Rosemont College (PA) and the College of William and Mary (VA). She also served on the board of the publicly traded Oriental Financial Group.

"I am thrilled to join the Institute of Politics and help students see the world as a place where their ideas and actions can truly make a difference. Throughout my career, I’ve learned that engagement—across borders, sectors, and communities—is how real change begins. I look forward to encouraging the next generation to lead with purpose and be bold agents of change."