Michael Beschloss

Presidential Historian, New York Times Columnist & Best-Selling Author

Ian Bremmer

President of Eurasia Group and GZERO Media; Political Scientist, Author, Entrepreneur & Lecturer

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Anderson Cooper

Journalist, TV Personality, Anchor of CNN's "Anderson Cooper 360°"

Dr. Heidi Kraft

Chief Clinical Officer at PsychArmor

Rule Number Two: Lessons I Learned in a Combat Hospital

Josh Voorhees

Senior Writer at Slate Magazine

Dr. Kenneth E. Salyer

Pioneer and Leader in Craniofacial Surgery & Founder of World Craniofacial Foundation

Rachel Kauder Nalebuff

Author & Women's Health Advocate

Bill Sears

Renowned Pediatric Physician & Author

Tarun J Tejpal

Tarun J Tejpal is a journalist and publisher. In a 22-year career, he has been an editor with the India Today and The Indian Express groups.

Mary Lightfine

Can one person possibly make a difference in a world filled with chaos? YES, after working sixteen years in emergency rooms throughout the United States.

Chris Beyrer

Desmond M. Tutu Professor of Public Health & Human Rights at the Johns Hopkins Bloomberg School of Public Health

Katherine Bradley

Founder and Chair of CityBridge

Meena Sankaran

Founder of PRERNA

Rupert Isaacson

Best-Selling Author

Romina Ruiz-Goiriena

White House Editor at USA TODAY

HUD exploring ways to help people with criminal histories find housing

Roger Cossack

Host of Court TV's "Open Court"

Yariela Kerr-Donovan

Community Education Programs Senior Director at Johns Hopkins Medicine; Chair of the Baltimore Workforce Development Board; Former Director of Minority Affairs at Cornell University

Amanda McClelland

Senior Vice President of Prevent Epidemics & Resolve to Save Lives at Vital Strategies

Joseph Phillips

Actor, Columnist & Conservative Christian Commentator

Jonathan Alpert

Psychotherapist and Advice Columnist