Andrew Lincoln

Actor; Best Known as Rick Grimes on AMC's "The Walking Dead"

Tim O'Reilly

Founder & CEO of O'Reilly Media

Brian Acton

Founder of WhatsApp

Alfonso Ribeiro

Host of America’s Funniest Home Videos, Actor, TV Director, Award-Winning Dancer & Broadway Star

Ellie Goulding

British Musical Artist Known for Her Albums "Lights" and "Halycon" and Hit Singles "Burn" and "Anything Could Happen"

Stephen Wolfram

Founder & CEO of Wolfram Research, Inc. & Author of "A New Kind of Science"

Nicholas Christakis

Sol Goldman Family Professor of Social & Natural Science; Director of the Human Nature Lab; Co-Director of the Yale Institute for Network Science

Curtis Stone

Celebrity Chef; Host of "Top Chef Masters" on Bravo

Jon Meacham

Pulitzer Prize-Winning Historian & Author

Jon Meacham discusses the historic nature of Trump's indictment ...

Daniel Dae Kim

Actor, Director & Producer