Abhi Nemani

Former Chief Data Officer for the City of Los Angeles, Co-founder of Ethos Labs, Technological Optimist & Political Philosophy Nerd

Marc Abrahams

Creator of the Ig Nobel Prizes

Jill Abramson

Former Executive Editor of The New York Times

Shawn Achor

Harvard Professor, Researcher & Positive Psychology Expert; Author of "The Happiness Advantage" and "Big Potential"

Shawn Achor on happiness as a competitive advantage

Adora Svitak

Author, Speaker, Youth Advocate & Child Welfare Professional

David Agus

Professor of Medicine and Engineering at the University of Southern California, Co-Founder of Navigenics & Author of "The End of Illness"

Dr. David Agus Gives an Optimistic Outlook for COVID-19 Pandemic

Alan November

International Leader in Education Technology & Author of NYT Bestseller "Who Owns the Learning?", Founder of November Learning

Alexandra R. Levit

Global Futurist, Future of Work Consultant & Author of "They Don't Teach Corporate in College"

Alexis Ohanian

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

Alexis Maybank

Founder & Chief Strategy Officer of Gilt Groupe. Internet Entrepreneur; Seed Investor & Champion of Women in Tech

Allison Massari

Executive Coach, Entrepreneur, Visual Artist & Burn Survivor; Top Speaker on Resilience, Change & Overcoming Adversity

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Sophia Amoruso

Founder & Former CEO of Nasty Gal; New York Times Best-Selling Author of "#GIRLBOSS"

Amory Lovins

Co-Founder & Chairman Emeritus of Rocky Mountain Institute

Jack Andraka

Inventor, Scientist, Cancer Researcher & National Geographic Emerging Explorer

How I discovered a test for pancreatic cancer | Jack Andraka

Anna Deavere Smith

Award-Winning Actress, Playwright, Social Commentator

Anna Deavere Smith on developing emotional capacity as an artist ...

Anthony Zuiker

Emmy Award Nominated Writer, Creator, Executive Producer, ‘CSI,’ ‘CSI: NY,’ ‘CSI: Miami’

Jeff Arnold

CEO & Chief Architect of Sharecare; Former CEO of Howstuffworks and WebMD Corporation

Ivan Askwith

CEO and Lead Strategist at Askwith&Co; Former Digital Media Division Lead at Lucasfilm; Kickstarter Campaign Director

Dennis Avery

Former Director, Center for Global Food Issues at the Hudson Institute