Zain Asher

News Anchor at CNN International

Karl Marlantes

Vietnam War Veteran & Author of "Matterhorn" and "What it is Like to Go to War"

Emma Sky

British Expert on the Middle East, Former Political Advisor in Iraq, Current Director of Yale World Fellows

Ailsa Chang

Host, All Things Considered, Former Co-host of "Planet Money" Podcast

Dr. Scilla Elworthy

Founder of the Oxford Research Group, Three-Time Nobel Peace Prize Nominee & Author

Scilla Elworthy on Humanity

Roy Bahat

Head of Bloomberg Beta; Venture Capitalist & Entrepreneurship Lecturer

Manos Antoninis

Director of Global Education Monitoring Report

Cameron Hepburn

Professor of Environmental Economics & Director of the Smith School of Enterprise & the Environment at the University of Oxford

Totally Enormous Extinct Dinosaurs

Solo project of Orlando Higginbottom, British electronic music producer, DJ and singer

Mark Haddon

Author of "The Curious Incident of the Dog in the Night-time;" Creative Writing Professor for the Arvon Foundation & Oxford University

Robin Dunbar

Anthropologist, Evolutionary Psychologist & Author

William MacAskill

Co-Founder & President of the Centre for Effective Altruism; Associate Professor of Philosophy at Oxford University

Emily T. Troscianko

Knowledge Exchange Fellow at The University of Oxford, Researching the Connections between Eating Disorders & Fiction

Roger Bootle

Global Economist & Chairman of Capital Economics

Danny Dorling

Social Geographer, Professor at the University of Oxford

Daniel Knowles

Washington Correspondent at The Economist