Jerry Mathers

Actor; Best Known for "Leave It to Beaver"

Spencer West

Inspirational Adventurist; Social Activist; Expert on Overcoming Stereotyping & Bullying

Spencer West

Jimmy Wales

Founder of Wikipedia & Wikitribune

Jonathan Kozol

Educator & Social Justice Advocate

Lauren Cohan

Actress; Best Known as Maggie Greene on "The Walking Dead"

Sherry Lansing

Former CEO of Paramount Pictures & Founder of The Sherry Lansing Foundation

Anne-Marie Slaughter

Foreign Policy Expert, Author & CEO of New America Foundation

Jessica Yellin

Founder of #NewsNotNoise; Former Chief White House Correspondent for CNN

Carol Leifer

Award-Winning Writer, Author, Actress & Standup Comedian

Jay Shuster

Art Director & Production Designer at Pixar Animation Studios

Scott O'Grady

Former U.S. Air Force Captain, Fighter Pilot Who Survived After Crashing Behind Enemy Lines & Author of "Return With Honor"

Anna Deavere Smith

Award-Winning Actress, Playwright & Social Commentator

Joe Scarborough

Co-Host of MSNBC's "Morning Joe" & Former U.S. Congressman

Jack Andraka

Machine Learning Engineer at Stanford Vision and Learning, Cancer Researcher & National Geographic Emerging Explorer

Ian Somerhalder

Actor Known for "The Vampire Diaries"; Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

Kyle Maynard

Inspirational Athlete, Author, Entrepreneur & Two-time ESPY Award Winner

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

Bill Hader

Actor, Comedian, Writer, & Director; Known for "Saturday Night Live" & "Barry"

Seth Meyers & Bill Hader's Favorite SNL Memories & Barry Finale

Joan Lunden

Award-Winning Journalist, Best-Selling Author, Health & Wellness Advocate

Mark Lynas

Environmental Writer; Author of "Our Final Warning: Six Degrees of Climate Emergency"