Jan Ping

Breast Cancer Survivor, Emmy Award-Winning Hair & Makeup Artist

Geoffrey West

Theoretical Physicist, Distinguished Professor & Past President of Santa Fe Institute

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Mark Lynas

Environmental Writer; Author of "Our Final Warning: Six Degrees of Climate Emergency"

Connie Merritt

National Healthcare Keynote Speaker, Award-Winning Author & Equine Therapy Advocate

Reigniting the Spark - Connie Merritt RN, BSN, PHN

Dr. Carl Hart

Professor of Psychology & Chair of Department of Psychology at Columbia University

John Sileo

Cybersecurity Expert & Hall of Fame Keynote Speaker; CEO & President of The Sileo Group

Rand Fishkin

Co-Founder & CEO of SparkToro; Former CEO of Moz; Co-Founder of Inbound.org & Author of "The Art of SEO"

Ali Vincent

First Female Winner of "The Biggest Loser"

Barry Minkin

Futurist, Trends & Innovation Expert; Bestselling Author

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Karen Pittman

Co-Founder & Former Executive Director of the Forum for Youth Investment

Marc Abrahams

Creator of the Ig Nobel Prizes

Bill Dedman

Pulitzer Prize-Winning Investigative Reporter for NBC News; Co-Author, "Empty Mansions: The Mysterious Life of Huguette Clark and the Spending of a Great American Fortune"

Eleanor Longden

Mental Health Advocate & Speaker; Postdoctoral Service User Research Manager at Psychosis Research Unit

Compassion for Voices: a tale of courage and hope

Kevin Bales

Professor of Contemporary Slavery, & Research Director of the Rights Lab at the University of Nottingham; Co-Founder of Free the Slaves

Vilayanur Ramachandran

Neuroscientist; Director of the Center for Brain & Cognition, University of California, San Diego

Philip Zimbardo

Psychologist Known for the Notorious '1971 Stanford Prison Experiment;' Researcher of the Psychology of Heroism, Evilness and Time

Vanessa Ochs

Author of "Inventing Jewish Ritual", Winner of 2007 National Jewish Book Award, Professor of Religious Studies at University of Virginia

Pat Smith

TV Persona, Entrepreneur, President & CEO of Emmitt & Pat Smith Enterprises