Tiffany Shlain

Emmy-Nominated Filmmaker & Founder of the Webby Awards

Brain Power: From Neurons to Networks

Diane Keaton

Academy Award-Winning Actress

Talib Kweli

Emcee, Activist & Co-Owner of Blacksmith Music Label

Hannah Storm

Sports Anchor & Advocate

Ken Jennings

All-Time "Jeopardy!" Champion

Danny Glover

Acclaimed Actor & Leading Social Activist.

Daniel Dae Kim

Korean-American Actor; "Lost" and "Hawaii Five-0"

Marc Lamont Hill

Social Critic & Intellectual

Julia Sweeney

Former SNL Cast Member & Cancer Survivor

If it's not one thing, it's your mother: Julia Sweeney at TEDxMidwest

Chaske Spencer

Actor and Activist Born of the Lakota Sioux Tribe and Raised on Indian Reservations

D.L. Hughley

Award-Winning Stand-Up Comedian, Political Commentator and Actor

David Suzuki

Environmentalist & Scientist

Darren Criss

Actor, Musician, Songwriter; Best known for his role on "Glee"

Alanis Morissette

Canadian Musician

Steven Tyler

Aerosmith Lead Singer & Former 'American Idol' Judge

Greg Schwem

Corporate Comedian; Emcee Host

Dr. Pamela Peeke

Medicine & Health Commentator

Dr. Ruth Westheimer

Popular American Sex Therapist, Known for "Sexually Speaking"

Bill Parcells

Former NFL Head Coach & Pro Football Hall of Fame Inductee

Sir Bob Geldof

Humanitarian, Entrepreneur, and Nobel Man of Peace