Peter Frank

Principal Consultant; Former Editor-in-Chief, Concierge.com

Peter W. Singer

Technology & Security Futurist; New York Times Best-Selling Author

Peter Zeihan

Energy & Geopolitical Strategist, Author of "The Absent Superpower" & "The Accidental Superpower"

Philip Weiss

Writer; Founder, Mondoweiss

Planet Money

NPR's Multimedia Team on the Global Economy

Rami George Khouri

Executive Editor of Lebanese Newspaper, The Daily Star

Ricardo Hausmann

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

Ricardo Lagos

Former President of Chile

Richard D. Wolff

Author, Economist & Professor of Economics Emeritus at the University of Massachusetts, Amherst

Richard Dowden

Director, Royal African Society

Richard Engel

NBC News Chief Foreign Correspondent

Richard Quest

Renowned CNN Business Correspondent & Editor-At-Large; Anchor, "Quest Means Business"; Expert Business & Travel Moderator

The Vanishing of Flight MH370: The True Story of the Hunt for the Missing Malaysian Plane

Richard Tafel

Founder, Log Cabin Republicans and Public Squared

Richard Wilkinson

Studied the Social Effects of Income Inequality and How Social Forces Affect Health

Rick "Ozzie" Nelson

Director, Homeland Security and Counterterrorism Program and Senior Fellow, International Security Program

Robert Engle

Nobel Prize-Winning Economist

Robert Greene

New York Times Bestselling Author of "The 48 Laws of Power," "The Art of Seduction," "The 33 Strategies of War," and "The 50th Law"

Robert Lacey

Author, "The Kingdom"

Robert Menendez

U.S. Senator, (D) New Jersey

Robert Muggah

Specialist in Smart and Green Cities, Geopolitics, Public Safety, and Cybersecurity; Co-Founder of Social Policy Think Tank Igarapé Institute & The SecDev Group