Amy Goodman

Host & Executive Producer, Democracy Now!

Esther Dyson

Executive Founder of Way to Wellville

Geoff Colvin

Senior Editor-at-Large at Fortune & Bestselling Author

Majora Carter

Real Estate Developer, Peabody Award-Winning Broadcaster & Urban Revitalization Strategy Consultant

Elise Jordan

Political Analyst for NBC News & MSNBC

Katherine Stewart

Investigative Reporter & Author of "The Power Worshippers"

The Power Worshippers: Inside the Dangerous Rise of Religious Nationalism

Joe Weinman

Global Speaker, Digital Strategist, Experienced Telecom, IT Executive & Author

PTC'21 — Executive Interview: Surendra Saboo, President, Inteliquent

Sara Goldrick-Rab

Professor of Higher Education Policy and Sociology at Temple University, and Founder of the Wisconsin HOPE Lab

Beth Simone Noveck

Founder & Director of The Governance Lab; Professor & Author of "Solving Public Problems"

Daniel Altman

Sports Analytics & Strategy Expert

A.J. Jacobs

Best-Selling Author & "Human Guinea Pig"

The Year of Living Constitutionally: One Man's Humble Quest to Follow the Constitution'...

Roya Hakakian

Iranian Poet, Journalist & Author

Nili Gilbert

Vice Chairwoman of Carbon Direct; Senior Advisor at BCG; Chairwoman of the Investment Committees of the David Rockefeller Fund & the Synergos Institute

Maureen Dowd

Pulitzer Prize-Winning Columnist for The New York Times; Bestselling Author

Mark Bittman

Former NYT Writer; Author of "How to Cook Everything" Series; Host of "Food with Mark Bittman"

John Avlon

Author, Columnist & Commentator; Senior Political Analyst & Anchor at CNN

David S. Rose

Venture Capitalist, Serial Entrepreneur & Angel Investor

Zainab Salbi

Founder of Women for Women International, Bestselling Author and TV Host

Janette Sadik-Khan

Leading Voice on Urban Transportation Policy

Michael Ian Black

Comedian, Actor, Writer, Director & Author of "A Better Man”