Scott Simon

NPR "Weekend Edition" Host

Windy City

Jim Frederick

Editor, Time International, USA

Josh Lerner

Professor of Investment Banking Unit Head, Entrepreneurial Management

Nicholas Stern

Chair, Grantham Research Institute on Climate Change and the Environment, United Kingdom

Ricardo Hausmann

Founder & Director of Harvard's Growth Lab; Rafik Hariri Professor of the Practice of International Political Economy at Harvard Kennedy School

Leading Green Growth: Economic Strategies for a Low-Carbon World

Kenneth Bae

Released from Captivity in North Korea After Two Years

John Passacantando

Former Executive Director of Greenpeace USA

Emma Sky

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

Oby Ezekwesili

Senior Economic Advisor at Open Society Foundation

Kevin Rudd

President of the Asia Society Policy Institute; Australia’s 26th Prime Minister (2007-2010, 2013); Foreign Minister (2010- 2012)

John Quelch

Professor & Dean, Miami Herbert Business School

Christine Ervin

Former US Assistant Secretary of Energy; National Leader on Green Buildings & Clean Energy

Matthew Olsen

Former Director of the National Counterterrorism Center; National Security Analyst for ABC News; Harvard Law School Lecturer

Amartya Sen

Professor of Economics and Philosophy at Harvard University

Christopher Patten

Former British Governor of Hong Kong

Edward Goldberg

Author of "Why Globalization Works For America: How Nationalist Trade Policies Are Destroying our Country"

Martin Redrado

Former Governor of The Central Bank of Argentina

Rami George Khouri

Executive Editor of Lebanese Newspaper, The Daily Star

Judith Miller

Best-Selling Author of Germs

Azadeh Moaveni

Associate Professor, Writer, Journalist & Author

Woman. Life. Freedom. Iran's Feminist Movement