Newt Gingrich

Former Speaker of the House of Representatives; New York Times Best-Selling Author & Co-Host for "Crossfire"

Lidia Bastianich

Celebrity Chef, Author, Host of "Lidia's Kitchen"

Gloria Estefan

Grammy Award-Winning Latin Musician

Ricky Gervais

Award-Winning English Comedian & Actor; Known for "The Office" and "Extras"

Nelson George

Author / Filmmaker

Alain de Botton

Swiss Writer, Philosopher & Television Presenter

William Easterly

Professor of Economics at New York University; Co-Director, Development Research Institute

Robert Hormats

Vice Chairman of Kissinger Associates Inc.

Harrison Ford

Award-Winning Actor Known for "Star Wars" & "Indiana Jones"

Bruce Bueno de Mesquita

Political Scientist, Professor at New York University & Senior Fellow at Stanford University's Hoover Institution

Randy Cohen

Writer, Known for "The Ethicist"

Thom Filicia

Interior & Product Designer Known for "Queer Eye for The Straight Guy"

Tyler Brule

Journalist, Entrepreneur, Acclaimed Authority on Brand Creation, Marketing, Culture and Lifestyle

Dana Gioia

Poet; Former Chairman, National Endowment of the Arts

Jimmy Carter

Former United States President (1977-1981), Author

Wyclef Jean

Grammy Award Winning Musician, Formerly in Band "The Fugees"

Maria Popova

Editor of Brain Pickings; Author of "Figuring"

Michael Gazzaniga

President of the Cognitive Neuroscientist Institute & Author of "Tales from Both Sides of the Brain: A Life in Neuroscience"

Tales from Both Sides of the Brain: A Life in Neuroscience

Seth Berkley

Global Health Expert and Epidemiologist; Senior Advisor to Brown University Pandemic Center

Seth Berkley - 3ie Evidence Dialogues Interview Series

Laurie Garrett

One of America's Premier Authorities on Healthcare and Disease Prevention