Diane Guerrero

Immigration Reform Activist & Actress Known for "Orange is the New Black" & "Jane The Virgin"

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Gabby Douglas

First African-American to Win Olympic Gold Medal for Gymnastics; Author of New York Times Bestseller "Grace, Gold & Glory: My Leap of Faith"

Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert; Heart Disease Awareness Advocate

Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

America Ferrera

Award-Winning Actress, Producer & Humanitarian

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Sir Richard Branson

Businessman & Founder of Virgin Group

Nastia Liukin

Olympic Gold Medal Gymnast

Kathy Ireland

CEO & Chief Lifestyle Designer of Kathy Ireland Worldwide; Supermodel & Health Advocate

Kathy Ireland - Anatomie interview

Tim Tebow

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

Trevor Noah

Emmy Award-Winning Comedian & Bestselling Author; Former Host of "The Daily Show"

Ben Stein

Political Economist, Commentator, Author & Actor

David Chang

Founder & Chef of Momofuku Restaurant Group

Joy-Ann Reid

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

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

Glennon Doyle

Author, Activist & Founder of Together Rising

Tracee Ellis Ross

Actress, Producer; Chief Executive Officer at PATTERN

Laura Ingraham

Political Commentator, Television Host & Journalist

Iyanla Vanzant

New York Times Best-Selling Author, Spiritual Life Coach & Host of "Iyanla Fix My Life"