Shiza Shahid

Entrepreneur, Technologist, Investor, Impact Leader & Co-Founder of the Malala Fund and Our Place

Peter Diamandis

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

Dom Sagolla

Co-Creator of Twitter; Author of "140 Characters"

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

Rock Bottom

Simon Sinek

World-Renowned Leadership Expert & Best-Selling Author

Erin Gruwell

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

Chris Sacca

Google & Twitter Innovation Guru

Bill Nye

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

Pearl Arredondo

Student Advocate, Education Reformer & Principal

Ben Stein

Political Economist, Commentator, Author & Actor

Marilyn Tam

Leadership Speaker, Bestselling Author, Consultant & Board Certified Corporate Coach; CEO of Marilyn Tam & Co.; Founder and Executive Director of Us Foundation

Being Asian in America

Nolan Bushnell

Atari Founder, Silicon Valley Icon, Entrepreneur & Scientist Known as the "Father of the Video Game Industry"

Sophia Bush

Actress, Humanitarian & Author

Mayim Bialik

Neuroscientist, Host of Jeopardy!, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Mayim Bialik on Why She Started Talking About Her Mental Health

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Soleil Moon Frye

Social Media Expert, Entrepreneur & Eco-Leader; Author of "Happy Chaos"; Alzheimer's Awareness Advocate

Robert Tucker

Business Futurist, Innovation Expert & Best-Selling Author

Peter Guber

Executive, Entrepreneur & NYT Bestselling Author; Operating Owner of the 3-Time NBA Champion Golden State Warriors

Daniel Burrus

Technology Futurist, Business Strategist & Hall of Fame Speaker