David Moinina Sengeh

Minister Of Basic and Senior Secondary Education & Chief Innovation Officer for the Government of Sierra Leone

Jon M. Chu

Film Director and Screenwriter; Best Known for "In The Heights," "Crazy Rich Asians" & "Step Up 2"

Kakenya Ntaiya

Kenyan Educator, Feminist & Social Activist

Byron Reese

A.I. Expert, Future of Work Expert, Optimist, Author, Tech Entrepreneur

Sarah Marquis

National Geographic Explorer, Natural Navigator, International Best-Seller & Storyteller

Observations from a world traveler | Sarah Marquis

Gavin Pretor-Pinney

Founder, Cloud Appreciation Society & Author of "The Cloudspotter's Guide"

Alexa Meade

Mixed-Media Painter & Installation Artist

Tariq Harb

In record time, Tariq Harb’s masterful command of melody and emotion shot him into the upper ranks of classical guitarists.

Steve Connell

Internationally Acclaimed Spoken Word Artist, Playwright, Actor & Poet

Peter Attia

Leading Figure in the Fight Against Diabetes & Obesity; Founder, Attia Medical, PC; Co-Founder & Chief Medical Officer of Zero App

Ai-jen Poo

Co-founder of National Domestic Workers Alliance; Director of Caring Across Generations, Co-founder of Supermajority

Peter Singer

Australian Philosopher, Author & Father of the Animal Rights Movement

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Ellen MacArthur

Former Long-Distance Yachtswoman & Founder of the Ellen MacArthur Foundation

David Kessler

Expert on Grief & Loss; Author of "Finding Meaning" and "The Needs of The Dying"

Christine Carter

Sociologist, Happiness Expert & Best-Selling Author

Ken Goldberg

Chief Scientist at Ambi Robotics & William S. Floyd Jr. Distinguished Professor of Engineering at UC Berkeley

Vikram Patel

The Pershing Square Professor of Global Health at Harvard Medical School; Mental Health Care Advocate

Ruby Wax

Comedian & Mental Health Activist

Andy Dunn

Founding CEO of Bonobos & Author of "Burn Rate"