Dean Kamen

Founder of FIRST; President of DEKA Research & Development Corporation

Matt Roloff

Star of "Little People, Big World"

Jerry Mathers

Actor; Best Known for "Leave It to Beaver"

Jonathan Kozol

Educator & Social Justice Advocate

Anne-Marie Slaughter

Foreign Policy Expert, Author & CEO of New America Foundation

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

Aasif Mandvi

Comedic Actor & Former Correspondent for "The Daily Show"

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"

Jon Steinberg

CEO of Future Plc., Founder of Cheddar; Former President & COO of Buzzfeed; Former CEO of Daily Mail.com in North America

Staceyann Chin

Spoken Word Poet, Performing Artist & LGBTQ+ Rights Political Activist

Mark Ballas

Dancing with the Stars Champion & Mental Health Activist

Ian Morrison

Healthcare Futurist and Author

Rita Moreno

Award-Winning Actress, Dancer, Singer; Health Advocate & New York Times Bestselling Author

Jim Abbott

Former One-Handed Major League Baseball Pitcher

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"

Alan November

International Leader in Education Technology & Author of NYT Bestseller "Who Owns the Learning?", Founder of November Learning

Peter Ricchiuti

Tulane Finance Professor & "Funny Economist"

Peter Richiuti - Program_Nov08_12

Tavis Smiley

Broadcaster, Author, Publisher, Advocate, and Philanthropist

Sandra Fluke

Lawyer, Social Justice Advocate, Women's Health Expert

Kevin Bacon

Actor, Musician, Founder of Sixdegrees.org

Dr. Holly G. Atkinson

Award-Winning Medical Journalist

Terry Savage

Personal Finance Expert, Investment Advisor, Syndicated Columnist & Bestselling Author

Kevin Spacey

Two-Time Academy Award-Winning Actor, Director, Producer, Screenwriter and Singer; Best Known For His Roles in "American Beauty" and Netflix's "House of Cards"

Jeffrey Hayzlett

Primetime TV & Podcast Host, Keynote Speaker, Best-Selling Author and Global Business Celebrity

Rob Riggle

Actor, Comedian, Writer, Producer, Director & Former U.S. Marine

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO