Tim McGraw

Grammy-Winning Musician & Actor

Donald E. Messer

Executive Director at Center for Health and Hope

Calling Church & Seminary into the 21st Century

Diana Boxer

Professor Emerita of Linguistics at University of Florida

Complaining And Commiserating: A Speech Act View Of Solidarity In Spoken American English

David Kamp

Writer; Contributing Editor, Vanity Fair; Author, "Sunny Days" and "The United States of Arugula"

Sunny Days: The Children's Television Revolution That Changed America

Arati Prabhakar

Director of the White House Office of Science and Technology Policy & Assistant to the President for Science and Technology

Darrell Andrews

Global Motivational Strategist

Catherine Herridge

Senior Investigative Correspondent at CBS News; Former FOX News and Homeland Defense Correspondent

Ginni Rometty

Former Chairman, President, and CEO, IBM; Author of "Good Power"; Co-chair OneTen

Ginni Rometty on her new book "Good Power"

Mimi Faust

Reality Television Star on VH1's "Love & Hip Hop Atlanta"

Josh Sundquist

Author, Paralympian, Comedian & Motivational Speaker; Executive Producer & Writer of Emmy Award-Winning Series "Best Foot Forward"

Charles Swindoll

Max Thieriot

Actor; Best Known for His Roles in "Catch That Kid" and "Bates Motel"

K'naan

Poet, Rapper, Singer, Songwriter, & Instrumentalist

Vinny Guadagnino

Reality TV Personality, Author & Actor, Known for "Jersey Shore"

Audrina Patridge

Actress, Model & Reality Television Star, Best-Known for MTV hit series "The Hills"

Bruce Croxon

Entrepreneur, TV Personality, Venture Capitalist, Co-founder of Lavalife

Jim Kelly

Pro Football Hall of Fame Member & Radio Host of “Under The Helmet With Jim Kelly”

Steven Furtick

Pastor, Award-Winning Songwriter & Producer, New York Times Bestselling Author

Do the New You: 6 Mindsets to Become Who You Were Created to Be

Robert Barnett

Partner, Williams and Connolly LLP

Dr. Eric Coleman

Professor of Medicine & Head of the Division of Health Care Policy at University of Colorado; Geriatrician Researching Care Transitions