Joy-Ann Reid

MSNBC Correspondent, Political Author & Host of "The ReidOut"

Medgar and Myrlie: Medgar Evers and the Love Story that Awakened America

Lynsey Addario

American Photojournalist; Contributor for National Geographic & Time Magazine

Tim O'Reilly

Founder & CEO of O'Reilly Media

Nicholas Burns

Professor of the Practice of Diplomacy & International Politics, Harvard Kennedy School

Dr. Dean Ornish

Physician, Leading Researcher in Healthcare, Founder of the Preventive Medicine Research Institute & Bestselling Author

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

Craig Venter

Founder & CEO of Synthetic Genomics Inc.

David Nico

Author, Health Strategist & Leadership Well-Being Expert

Nico sample clip

Juan Williams

New York Times Best-Selling Author, Fox News Political Analyst, Co-Host of "The Five" & Award-Winning Columnist

John Zogby

Trendspotter & Leading Pollster

Spencer Wells

Geneticist, Anthropologist, Author, Entrepreneur, Adjunct professor at the University of Texas at Austin

An Phung

Multimedia Journalist

Dr. Gregory Stock

Healthcare Futurist & Biotech Pioneer

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Sherman Alexie

Poet, Short Story Writer, Novelist, and Performer

Dave deBronkart

Kidney Cancer Survivor & Patient Advocate Known as "e-Patient Dave"

Neil Giuliano

Gay Rights Activist & President and CEO of Greater Pheonix Leadership

Paul Rieckhoff

Founder and Executive Director of Iraq and Afghanistan Veterans of America (IAVA); Author, "Chasing Ghosts: Failures and Facades in Iraq"

Dr. Gary Small

Expert on the Brain, Memory and Aging

Jeffrey Israel

Author & Jewish Studies Professor at Williams College