Patrick Byrne

Founder & CEO, Overstock.com

Ingrid Newkirk

President, PETA

Alan Weisman

Journalist / Author

Julia Bolz

Women's Rights Activist

Robert Lacey

Author, "The Kingdom"

Daniel Altman

Sports Analytics & Strategy Expert

Edward Norton

Award Winning Actor & Filmmaker

Gabe Zichermann

Technology Strategist: Employee & Customer Engagement, Tech-Life Balance

John Zogby

Trendspotter & Leading Pollster

Steve Wozniak

Co-Founder of Apple Computer, Inc.

Russell Simmons

Entrepreneur & Philanthropist

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Jacqueline Novogratz

Founder & CEO of Acumen Fund

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

Hill Harper

Best-Selling Author, Tech Entrepreneur, Investor, Philanthropist & Actor; Best Known For "CSI: NY" & "The Good Doctor"

Gary Hamel

Internationally Renowned Expert on Business Strategy, Professor at London Business School & Author

Aubrey de Grey

Biomedical Gerontologist; Chief Science Officer of SENS Research Foundation; Researcher on Preventing Aging

Jonathan Safran Foer

Bestselling Author of "Everything Is Illuminated" and "Extremely Loud and Incredibly Close"

Esther Dyson

Executive Founder of Way to Wellville

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Charles Best

Founder and Former CEO, DonorsChoose.org

From Classroom To Crowdfunding

Blake Mycoskie

Founder of TOMS, Social Entrepreneur & Author of NY Times Bestseller "Start Something That Matters"

David Patrick Columbia

Founder, The New York Social Diary

Nina DiSesa

Chairman, McCann Erickson New York

Michael Walzer

Professor Emeritus, The Institute for Advanced Study

Steven Mazie

Associate Professor of Political Studies, Bard High School Early College

Rebecca MacKinnon

Founding Director of Ranking Digital Rights

Francis Tapon

Author, Harvard MBA, and World Traveler

Gerry Adams

President, Sinn Fein