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 Tebow

ESPN College Football Analyst; Heisman Trophy Winner; Former Quarterback for NFL's Denver Broncos & Baseball Outfielder for the New York Mets

John Sculley

Vice-Chairman of MDLIVE, Former CEO of Apple Computers & PepsiCo; High-Tech Entrepreneur, Venture Capitalist & Author

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

Christiane Northrup

Authority on Women's Health, Bestselling Author of "Goddesses Never Age"

Susan Rice

Domestic Policy Advisor (2021-2023); U.S. National Security Advisor (2013-2017); and U.S. Ambassador to the United Nations (2009-2013)

Susan Rice, leaving the administration, talks of what's possible in a divided nation

Tonya Lewis Lee

Author, Producer, Filmmaker & Entrepreneur; Women's Health Activist

Tonya Lewis Lee on the Black maternal mortality crisis

Rahm Emanuel

First Jewish Mayor of Chicago & Former White House Chief of Staff

Jonathan Bush

Technology Entrepreneur; Co-Founder & Former CEO of athenahealth

James Watson

Molecular Biologist, Geneticist & Zoologist

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.

Brian David Johnson

Futurist & Director of Future Casting, Intel Corporation

Nicholas Kristof & Sheryl WuDunn

Pulitzer Prize-Winning Journalists for "Half the Sky" & Human Rights Advocates

Debbie Gibson

Singer-Songwriter and Reality TV Star; "Only In My Dreams"

Bob Greene

Exercise Guru & Best-Selling Author