Janez Potočnik is a Slovenian politician who served as European Commissioner for Environment from 2009 until 2014. He was formerly Slovenia's Minister for European Affairs. In November 2014, he became co-chair of the International Resource Panel (IRP), a forum of scientists and experts working on natural resources management.

Alicia Isabel Adriana Bárcena Ibarra is a Mexican biologist currently serving as her country's Secretary of Foreign Affairs. She previously served as the Executive Secretary of the United Nations Economic Commission for Latin America and the Caribbean (ECLAC) from July 2008 to March 2022.