Alberto Alessi

Author, CEO of Alessi Spa

Alec Ross

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

Alex Berezow

Editor, RealClearScience

Alex Matthiessen

President, Riverkeeper

Alexis Ohanian

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

Alexis Ohanian Carthage College Commencement Address 2014

Alfie Kohn

Author & Speaker on Human Behavior, Education, & Parenting; Outspoken Critic of Education's Fixation on Grades

Alfred Mele

Professor of Philosophy, Florida State Universit

Ali Wyne

Researcher, Belfer Center for Science and International Affairs

Alice Eagly

Professor of Psychology, Northwestern University

Alicia Munnell

Director of the Center for Retirement Research, Boston College

Alison Gopnik

Professor & World Leader in Children's Learning and Development

Allan McLennan

Co-founder/market leader/advocator in software defined/smart TV, on-demand OTT subscription service originator, and founder data analytics platforms

Alva Noë

Philosopher, cognitive scientist

Amanda Congdon

Former Video Blogger, Co-producer & Host of Weekly Vidcast for ABC

Amanda Lindhout

Executive Director of The Global Enrichment Foundation; Captivity Survivor, Inspirational Speaker & Author of "A House in the Sky"

Amanda Mesler

CEO, Logica North America

Amanda Whitman

Contributor, Big Think

Ambassador Dennis Ross

Author, Counselor & William Davidson Distinguished Fellow at The Washington Institute; Former Special Assistant to President Obama

Amit Chatterjee

CEO of Hara Software

Amy Goodman

Host & Executive Producer, Democracy Now!