Elizabeth Vargas

Emmy Award-Winning Journalist; Best-Selling Author; Anchor for NewsNation

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

David Chang

Founder & Chef of Momofuku Restaurant Group

Pat Riley

Miami Heat President & Hall of Fame Inductee

Tim Hawkins

Christian Youth Pastor, Musician & Comedian

Priyanka Chopra Jonas

Award-Winning Actress, Producer & Humanitarian

Priyanka Chopra Jonas Takes a Lie Detector Test | Vanity Fair

Michael Oher

Founder of Oher Foundation for Disadvantaged Youth; Former NFL Player for Baltimore Ravens, Tennessee Titans & Carolina Panthers; Super Bowl 47 Champion; Story Told in Movie "The Blind Side"

Gladys Knight

Singer-Songwriter & Actress

Maura Tierney

Golden Globe Award-Winning Actress & Breast Cancer Survivor

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Tom Selleck

Award-Winning Actor Known for "Magnum P.I." & "Blue Bloods"; Author of "You Never Know: A Memoir"

Tom Selleck Admits He Was Fired After One Episode of Charlie's Angels

Vanessa Williams

Grammy Nominated Singer, Actress & Philanthropist

Judith Light

Award Winning Actress & Activist

Donald Driver

NFL Super Bowl Champion, Children's Author, "Dancing With the Stars" Winner & Family Man

Mike Tyson

Former Boxing Heavyweight Champion; Entrepreneur & Philanthropist

George Lopez

Stand-Up Comedian, Television Personality, Actor & Kidney Disease Spokesperson

Sam Harris

Neuroscientist, Philosopher & Bestselling Author

Drew Brees

Philanthropist & Former Super Bowl MVP-Winning Quarterback for the New Orleans Saints

James McBride

New York Times Best-Selling Author & Musician

Charles Barkley

Retired NBA Power Forward, Analyst on "Inside the NBA," One of the NBA's 50 Greatest Players of All Time