Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

America Ferrera

Award-Winning Actress, Producer & Humanitarian

Erin Gruwell

Founder & Executive Director of the Freedom Writers Foundation; Education Reform Advocate

Antwone Fisher

Child Advocate, Bestselling Author, Screenwriter & Lecturer

Chris Hardwick

Creator of Nerdist Podcast and Website, Stand up Comedian and Current Host of "The Walking Dead" after show, "Talking Dead"

Geena Davis

Award-Winning Actress, Gender Equality Activist & Philanthropist

LeVar Burton

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

Derek Hough

Dancer, NYT Bestselling Author, Emmy Award Winner for Outstanding Choreography & Six-Time Champion of ABC's "Dancing with the Stars"

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Rosario Dawson

Actress Known for "Daredevil" & "Rent;" Activist, Co-Founder & Chairwoman of Voto Latino

Taraji P. Henson

Academy Award-Nominated Actress & Mental Health Advocate

Kirk Cameron

Actor Best Known for "Growing Pains," "Left Behind" & "Fireproof;" Advocate for Christianity & Gospel-Centered Marriage

Marcus Buckingham

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

Ellen DeGeneres

Award-Winning Comedian, TV Host, Actress & LGBTQ Activist

Patricia Heaton

Emmy Award-Winning Actress Known for "Everybody Loves Raymond" & "The Middle"

Kathy Ireland

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

Kathy Ireland - Anatomie interview

Marilu Henner

Actress, Producer & NY Times Bestselling Author

Kerry Washington

Actress, Producer & Activist Known for Starring as Olivia Pope in ABC's "Scandal"