Zain Asher

News Anchor at CNN International

Jesse Jackson

Civil Rights Activist & Politician

Nnedi Okorafor

International Award-Winning Fantasy & Science Fiction Author

Writing for a Broken World: A Conversation with Nnedi Okorafor

Ernie Els

Former World #1 Professional Golfer

Caroline Elkins

Professor of African Studies at Harvard University & Pulitzer Prize-Winning Author of "Imperial Reckoning"

Bethlehem Tilahun Alemu

Founder & Managing Director of soleRebels; Promoter of Africa's Entrepreneurial Spirit, Social Capital & Economic Potential

Djimon Hounsou

Actor, Producer, Humanitarian, Founder of the Gate of (No) Return Marathon & Festival

Masai Ujiri

President of the Toronto Raptors of the National Basketball Association

Makaziwe Mandela

Daughter of Nelson Mandela & Director of the House of Mandela Family Foundation

Nikhil Goyal

Journalist, Activist, & Author of "Schools on Trial: How Freedom and Creativity Can Fix Our Educational Malpractice"

Faith Osier

Professor of Immunology; Group Leader of Malaria Vaccine Development

Felipe Gonzalez

Former President of Spain