Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Baratunde Thurston

Futurist Comedian, Writer & Cultural Critic

Baratunde In Media

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Bill Nye

"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist

Beth Comstock

Advisor, Author & Board Director; Former Vice Chair of General Electric

Debbie Sterling

Tech Engineer & Founder and CEO of GoldieBlox; Advocate for Women in STEM

David Leonhardt

Senior Writer for The New York Times

Ours Was the Shining Future: The Story of the American Dream

David Kirkpatrick

Best-Selling Author of The Facebook Effect, Technology & Internet Expert

Dan Lin

CEO of Lin Pictures, Film Producer

John Browne

Former CEO of BP & Author of "The Glass Closet: Why Coming Out Is Good Business"

Allen Gannett

Founder & CEO at TrackMaven

Mark Bertolini

Former Chairman and CEO, Aetna, Inc., Director of Verizon Communications Inc. and Massachusetts Mutual Life Insurance Company

Alec Ross

Author of "The Industries of the Future," and Recent Senior Advisor for Innovation to Hilary Clinton

Ntiedo Etuk

Founder and CEO DimensionU, Inc.

Joshua Foer

Science Journalist & Author of "Moonwalking with Einstein"

Sir Harold Evans

Legendary Publisher & Best-Selling Author

Neal Baer

Harvard-Trained Physician, Television Writer & Producer

Matt Petersen

President and CEO, Los Angeles Cleantech Incubator

Mark Johnson

Knight Professor of Liberal Arts and Sciences; Department of Philosophy, University of Oregon