Cynthia Schneider

Former U.S. Ambassador to the Netherlands

Tukufu Zuberi

Expert on Race Relations; Host, "PBS History Detectives"; Professor of Race Relations at the University of Pennsylvania,

Stephen Young

Senior Partner of Insight Education Systems; Author of "Micromessaging; Why Great Leadership is Beyond Words"

Gary Valentine

Gary Valentine is a stand up comedian and actor known for his roles on "The King of Queens" and "I Now Pronounce You Chuck and Larry," among others.

Regina Spektor

American Singer-Songwriter and Pianist

David Andelman

Executive Director of The Red Lines Project, Award-Winning Columnist for CNNOpinion & Veteran New York Times and CBS News Correspondent

Bob Dotson

Author and Correspondent, NBC News

Bob Shrum

Famed Democratic Political Consultant

Zack O'Malley Greenburg

Forbes Senior Editor & Author of the Jay-Z Biography "Empire State of Mind"

Richard Quest

Renowned CNN Business Correspondent

Bruce Weinstein

Professional Ethicist Known as "The Ethics Guy;" BusinessWeek.com Columnist & Huffington Post Contributor

Betsy McCaughey

Patient Advocate, New York Post Columnist & Former Lt. Governor of New York State

The Next Pandemic

Eugene Linden

Eugene Linden has been writing about science, technology, the environment and humanity's relationship with nature in books, articles, and essays for 25 years.

Jeffrey Eugenides

Pulitzer Prize-winning Author, "The Virgin Suicides," "Middlesex," and "The Marriage Plot"

Maurice Ashley

First African-American Chess Grandmaster; Author, Puzzle Inventor & Motivational Speaker

Eric Alterman

Columnist for The Nation & Fellow at the Center for American Progress

Scott Gerber

Founder, Young Entrepreneur Council; Author, "Never Get a 'Real' Job"

Marc Prensky

Education and Learning Keynote Speaker and Writer; "On the Horizon"

Mark Katz

Humorist who can trace his career from the principal's office to the Oval Office.

Gabrielle Hamilton

Owner of PRUNE