Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker

Erin Gruwell

Founder & Executive Director of the Freedom Writers Foundation; Education Reform Advocate

Temple Grandin

World-Famous Animal Scientist, Autism Self-Advocate & Author of "Thinking in Pictures: My Life With Autism"

TEMPLE GRANDIN on the Three Kinds of Kids

Sir Richard Branson

Businessman & Founder of Virgin Group

Dan Ariely

Behavioral Economist; Professor at Duke University; Author; Founding Member of The Center for Advanced Hindsight

Laura Snyder

Professor; Science Historian; Philosopher; Author of "The Philosophical Breakfast Club"

Robert Ballard

Renowned Ocean Explorer & Scientist

Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Ken Burns

Historian & Award-Winning Documentary Filmmaker

Karen Armstrong

Founder of The Charter for Compassion

Amanda Lindhout

Executive Director of The Global Enrichment Foundation; Captivity Survivor, Inspirational Speaker & Author of "A House in the Sky"

Edward Tenner

Smithsonian Institution Distinguished Scholar & Author of "Why Things Bite Back" and "Our Own Devices"

Josh Linkner

Serial Entrepreneur, New York Times Best-Selling Author & Venture Capital Investor

Jimmy Wales

Founder of Wikipedia & Wikitribune

Graham Hill

Founder of Life Edited & TreeHugger.com

Naomi Wolf

Bestselling Author; Social Activist; Former Political Advisor to Al Gore and Bill Clinton

Mariane Pearl

Widow of Journalist Daniel Pearl

Sonia Nazario

Pulitzer Prize-Winning Author & Journalist; Author of "Enrique’s Journey"

Brad Meltzer

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

Kathy Ireland

CEO & Chief Lifestyle Designer of Kathy Ireland Worldwide; Supermodel & Health Advocate

Kathy Ireland - Anatomie interview

Dr. Scilla Elworthy

Founder of the Oxford Research Group

Janine di Giovanni

Author, Award-Winning Foreign & War Correspondent; Visiting Fellow at Yale Law School & Executive Director The Reckoning Project

Seriously Entertaining: Janine di Giovanni on "All That Glitters"

Annette Gordon-Reed

Professor of American Legal History at Harvard Law School & Pulitzer Prize-Winning Author

Robin Wright

Foreign Policy Analyst, Journalist & Author of "Rock the Casbah: Rage and Rebellion across the Islamic World"

Judith Viorst

Poet, Writer & Children's Author

Iyanla Vanzant

New York Times Best-Selling Author, Spiritual Life Coach & Host of "Iyanla Fix My Life"

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

Gloria Steinem

Feminist Writer, Activist & Organizer; Co-Founder of New York Magazine & Ms. Magazine

Rachel Simmons

Internationally Recognized Educator & Best-Selling Author

Virginia Postrel

Author & Columnist; Writes on The Intersection of Commerce & Culture