Jeffrey Kluger

Journalist; Editor and Writer at TIME MAGAZINE. Author of 8 books, including APOLLO 13.

Charles Kaiser

Award-winning Author & Journalist; Expert on the Media, Politics, the 1960s, and Gay Life in America

Mitch Resnick

Mitchel Resnick is LEGO Papert Professor of Learning Research, Director of the Okawa Center, and Director of the Lifelong Kindergarten group at the MIT Media Lab.

Michael Hyatt

Intentional Leadership Expert, Best-Selling Author & Former Chairmen of Thomas Nelson Publishers

Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy

David Bornstein

Author, Fixes column in The New York Times and Founder, Solutions Journalism Network

Thomas Pogge

Philosopher Thomas Pogge wants to ensure medications get to those who need it most. He has published on a wide range of subjects such as global justice and human rights.

John Zogby

Trendspotter & Leading Pollster

Michael Ellsberg

Copywriter & Author of "Joyful Pessimism: A Memoir of Sex, Mental Illness, and Philosophy"

Jonathan Alter

Columnist, Bloomberg View; Correspondent, NBC

Simon Winchester

Author, "The Man Who Loved China," "The Professor and The Madman," "Atlantic"

Jimmy Wales

Founder of Wikipedia & Wikitribune

Jack Levin

Author, Sociologist & Researcher on Murder, Prejudice and Hate, Sociology of Aging, and Sociology of Conflict at Northeastern University in Boston

Kevin Clash

Puppeteer and Voice of Elmo, Writer and Director

Tony Brown

Tony Brown is Chief Executive Officer of Urban America Television Network (UATV) which has about 30 million viewers.

Kurt Andersen

Host of "Studio 360 from PRI and WNYC" & Author

Dr. Anthony Wolf

Parenting Expert & Psychologist

Michael Rogers

MSNBC's 'The Practical Futurist' & Technology Expert

Daniel Pipes

Foreign Policy Expert & President of The Middle East Forum

Joseph Nye

Deputy to the Under Secretary of State for Security Assistance, Science and Technology (1977-1979)

Brad Meltzer

Host of History Channel’s "Lost History" & "Brad Meltzer’s Decoded;" New York Times Best-Selling Author

Jonathan Kozol

Educator & Social Justice Advocate

E.D. Hirsch

Founder of the Core Knowledge Foundation

Chris Hansen

Emmy-Winning Dateline NBC Correspondent

Dana Gioia

Poet; Former Chairman, National Endowment of the Arts

Alan Dershowitz

Harvard Law School Professor; Leading Expert in Civil Rights

Dave Barry

New York Times Best-Selling Author & Humorist

Swamp Story: A Novel

Dan Abrams

Chief Legal Affairs Anchor at ABC News & Founder of Abrams Media

Doug Lemov

Managing Director of Uncommon Schools & Author of "Teach Like a Champion"

John Merrow

Broadcast journalist who has reported on education issues for more than three decades. He serves as the education correspondent for the PBS NewsHour program.