Newsboys

Christian Rock Band Known for "God's Not Dead (Like A Lion)"

Michael McDonald

Five-Time Grammy Winning Singer & Songwriter

Jessica Queller

Author, Women's Health Advocate & Television Producer Known for "Supergirl"

Moira Forbes

Executive Vice President of Forbes Media

Success With Moira Forbes

Howard Dean

Former Governor of Vermont & Founder of Democracy for America

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Andrew Young

Politician, Diplomat, Civil Rights Activist & Pastor

Amy Poehler

Comedian, Writer, Producer, Actress Best-Known For "Parks and Recreation", Co-Founder of Amy Poehler's Smart Girls

Tyler Perry

Actor, Writer, Producer, Comedian & Director; CEO of Tyler Perry Studios

Mae Jemison

First Black Woman in Space & Former NASA Astronaut; National Women's & International Space Hall of Famer Founder, 100 Year Starship

Martin Indyk

Lowy Distinguished Fellow in U.S.-Middle East Diplomacy at The Council on Foreign Relations in New York

Master of the Game: A Book Talk with Martin Indyk

Karen Hughes

Global Vice Chair of Public Relations at Burson-Marsteller; Communications Strategist & Former Counselor to President George W. Bush 2001-2002

Steve Harvey

TV Personality & Host of "Family Feud"

Wayne Gretzky

Legendary Hockey Player & Founder of the Wayne Gretzky Foundation

Dr. Henry Louis Gates, Jr.

Award-Winning Filmmaker, Literary Scholar, Journalist & Cultural Critic; Director of the Hutchins Center for African & African American Research at Harvard University

Jenna Fischer

Actress & Director, Co-Host of the "Office Ladies" Podcast & Author

Guy Fieri

Restaurateur, Author & Emmy Award-Winning Host of "Minute To Win It" & "Diners, Drive-Ins and Dives"

Allyson Felix

Track & Field Athlete, Olympic Champion & 12-Time Gold Medalist at the World Championships; Co-Founder of Saysh

Stephen Dubner

Award-Winning Author, Journalist, Radio & TV Personality

Robert Downey Jr.

Academy Award-Winning Actor & Producer

Robert Downey Jr. Wins Male Supporting Actor In A Motion Picture

LL Cool J

Hip-Hop Artist, Host of "Lip Sync Battle" & Actor Known For "NCIS"

Margaret Cho

Grammy Award-Nominated Comedian; Actress, Author & LGBT Advocate

Margaret Cho: Remove Your Investment in Pain

LeVar Burton

Literacy Advocate & Actor Known for "Roots," "Star Trek" & "Reading Rainbow"

Marcus Buckingham

Peak Performance Expert, Best-Selling Author, Researcher & Strengths Revolutionist

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Alex Borstein

Emmy Award-Winning Actress, Writer, Comedian & Voice Actor, Known for "Family Guy" & "The Marvelous Mrs. Maisel"

Halle Berry

Academy Award-Winning Actress, Producer & Philanthropist

Tim Berners-Lee

Inventor of the World Wide Web; Engineer & Computer Scientist

Sasha DiGiulian

Professional Rock Climber, Speaker & Writer

Qian Julie Wang

Author of "Beautiful Country: A Memoir of An Undocumented Childhood"