Authors
Ellen Johnson Sirleaf
President, Liberia
Namanga Ngongi
President, Alliance for a Green Revolution in Africa
![Headshot of Tom Vilsack](/sites/default/files/styles/blue_marble_thumb/public/2021-05/agriculture-secretary-vilsack_hs-border.jpg?itok=KGBRxeru)
Rajiv Shah
President, The Rockefeller Foundation
Rajiv Shah is the president of The Rockefeller Foundation, which seeks to promote humanity’s well-being around the world. Previously, he served as…
![Photo of Rajiv Shah](/sites/default/files/styles/blue_marble_thumb/public/2023-09/Big%20Bets_Raj%20Shah%20Headshot%20%281%29_0.jpg?itok=qVZ7jbTT)
![](/sites/default/files/styles/blue_marble_thumb/public/2020-11/hs_niall-ferguson.jpg?itok=Bg2KGrmo)
Ernest Moniz
Former US Secretary of Energy; CEO, Energy Futures Initiative; Cecil and Ida Green Prof. of Physics and Eng. Emeritus, MIT
![](/sites/default/files/styles/blue_marble_thumb/public/2020-11/Ernest_Moniz_official_portrait.jpg?itok=Ki0pXUB_)
Husain Haqqani
Marcus Glassman
Alexander Hryhorczuk
Intern, Global Security Studies, Chicago Council on Global Affairs