John Mack is an artist, photographer, author, lecturer and the founder of the nonprofit initiative Life Calling, whose mission is to foster awareness and balance for society in the Digital Age. Mack is a 2022 honoree of The Explorer’s Club 50: Fifty people changing the world who the world needs to know about. Mack has recently published two books, A Land Between Worlds: The Shifting Poetry of the Great American Landscape, and Notes to Selfie: Bits of Truth in a Phoney World. Additionally, Mack serves as a board member of Fairplay, an organization that strives to create a world where kids can be kids, free from the false promises of marketers and the manipulations of Big Tech. He has served as an adjunct lecturer for the Graduate program of Design at the University of Lisbon. He currently lives between London and Seville.

Prof. Yuval Noah Harari is a historian, philosopher, and the bestselling author of Sapiens: A Brief History of Humankind, Homo Deus: A Brief History of Tomorrow, 21 Lessons for the 21st Century, and Sapiens: A Graphic History. His books have sold 35 Million copies in 65 languages, and he is considered one of the world’s most influential public intellectuals today.

Born in Israel in 1976, Harari received his PhD from the University of Oxford in 2002, and is currently a lecturer at the Department of History in the Hebrew University of Jerusalem. In 2019, following the international success of his books, Yuval Noah Harari and Itzik Yahav co-founded Sapienship: a social impact company with projects in the fields of entertainment and education. Sapienship’s main goal is to focus the public conversation on the most important global challenges facing the world today.