Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Alexis Ohanian

Co-Founder of Initialized Capital & Co-Founder of Reddit; Entrepreneur, Investor, Activist & Bestselling Author

Alexis Ohanian Carthage College Commencement Address 2014

Malala Yousafzai

Youngest-Ever Nobel Prize Winner; Advocate for Girls' Education & Women's Equality; Author of the International Bestseller "I Am Malala"

Van Jones

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

Angela Davis

Feminist, Social Activist, Professor & Writer

Abolition: Politics, Practices, Promises, Vol. 1

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Baratunde Thurston

Futurist Comedian, Writer & Cultural Critic

Baratunde In Media

Erin Gruwell

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

Bill Nye

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

Jeremy Rifkin

Leading Global Technologist, Futurist, Authority on World Economic & Environmental Trends

Lisa Kristine

Internationally Recognized Fine-Art Photographer, Humanitarian & Activist

Reshma Saujani

Lawyer, Politician, Founder of Girls Who Code & Marshall Plan for Moms

Kari Byron

Former Host of Discovery Channel's "Mythbusters" & Author of "Crash Test Girl;" Director of the National STEM Festival

Elizabeth Smart

Abduction Survivor, News Correspondent & Child Safety Activist

Anna Escobedo Cabral

Former Treasurer of the United States, Partner at The Cabral Group & Jesse Ball duPont Fund Trustee

Julianne Malveaux

Economist, Author & Political Commentator; President Emerita of Bennett College for Women

Sophia Bush

Actress, Humanitarian & Author

Ashley Judd

Actress, Activist & Humanitarian

Ziauddin Yousafzai

Co-Founder of the Malala Fund

George Takei

Actor, Social Justice Activist & Social Media Mega-Power