Simon Doonan

Author, SLATE columnist Creative Ambassador for Barneys New York

Craig Kielburger

Co-Founder of the WE Organization, Social Entrepreneur, Humanitarian & New York Times Best-Selling Author

George P. Bush

Politician & Land Commissioner of Texas

Clifton L. Taulbert

Author, Business Consultant, & Speaker; Best Known for "Once Upon a Time When We Were Colored"

Michelle Gielan

Former National CBS News Anchor Turned Positive Psychology Researcher; Bestselling Author of "Broadcasting Happiness"

Stacey Bess

Award-Winning Educator; Keynote Speaker; Advocate for Homeless Youth

Gary Guller

Record-Setting Mountaineer & Motivational Speaker

Beth Simone Noveck

Founder & Director of The Governance Lab; Professor & Author of "Solving Public Problems"

Paula Zahn

Distinguished News Anchor & Nine-Time Emmy Award Winner

James Woolsey

Former Director of the C.I.A.

Jeffrey Toobin

Former CNN Senior Analyst & Best-Selling Author

Somaly Mam

Survivor & Anti-Sex Slavery Activist

Dominique Wilkins

Former Professional Basketball Player, Vice President of the Atlanta Hawks, Board Chairman of KultureCity & Disability Advocate

John Amaechi

Organizational Psychologist, Leadership Transformation Expert & Former NBA Player

Sebastian Junger

Award-Winning Journalist, Documentarian, New York Times Best-Selling Author of "The Perfect Storm" and "On Homecoming and Belonging"

Elizabeth Cohen

Senior Correspondent for the CNN Health, Medical, & Wellness Unit

Elizabeth Cohen - CNN news story on baby formula shortage

Alan Cumming

Emmy-Winning Actor Who Stars in "The Good Wife"

Marc Kielburger

Co-Founder of the WE Organization, Social Entrepreneur, Humanitarian & New York Times Best-Selling Author

Keith Ablow

America's Psychiatrist

Jerry Porras

The Lane Professor of Organizational Behavior and Change, Emeritus; Consultant on Organizational Change