Lilly Singh

YouTube Personality, Comedian, Author & Actress; Former Host of NBC's "A Little Late with Lilly Singh"

Be a Triangle: How I Went from Being Lost to Getting My Life into Shape

Oby Ezekwesili

Senior Economic Advisor at Open Society Foundation

Alysia Reiner

Actor, Activist & Entrepreneur

Yuval Noah Harari

Historian, Philosopher & Best-Selling Author of "Sapiens"

Disruption, Democracy & the Global Order – Yuval Noah Harari

Sunny Hostin

Co-Host of "The View," Attorney, Author & Emmy Award-Winning Journalist; Senior Legal Correspondent & Analyst for ABC News

Brian Stann

CEO Hunt Military Communities, Former UFC Fighter & Captain US Marine Corps

Laura Merling

Vice President of Ecosystem Development & Platform Solutions at AT&T

Shari Redstone

President of National Amusement; Chairwoman of Paramount Global; Former Vice Chair for Viacom/CBS

Johann Hari

Journalist & Best-Selling Author of "Chasing the Scream"

Magic Pill: The Extraordinary Benefits and Disturbing Risks of the New Weight-Loss Drugs

Yascha Mounk

Writer & Public Speaker; Author of "Stranger in My Own Country"

David Reibstein

Professor of Marketing, Wharton School of Business

David Daokui Li

Prominent Chinese Economist & Director at Center for China in the World Economy

James Park

CEO & Co-founder of Fitbit

Julia Gillard

Former Prime Minister of Australia, First Woman to Hold the Position & Chair of the Global Institute for Women's Leadership

Not Now, Not Ever: Ten years on from the misogyny speech

Dave Portnoy

Owner and Founder of Barstool Sports

Chris Zook

Author and Former Partner at Bain & Co.; Leader in Global Strategy Practice

Mervyn King

Governor of the Bank of England (2003-2013)

Anthony Townsend

Research Director, Technology Horizons Program for Institute for the Future

Bertrand Badre

Managing Director and World Bank Group Chief Financial Officer.

N. Gregory Mankiw

Professor of Economics at Harvard University.