Victor Rios

Educator, Author, & Creator of Project GRIT

Michael Archer

Paleontologist Michael Archer is working to bring back his favorite extinct animal: the Tasmanian tiger.

Laura Snyder

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

Edward Tenner

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

Christina Fattore

Award-Winning Professor & TEDx Speaker

Dr. Nick "Ranger Nick" Fuhrman

Josiah Meigs Professor of Environmental Education & Nature TV Host

Thomas Crowther

Professor of Ecology at ETH Zürich; Founding Chair of the Board for the UN Decade on Ecosystem Restoration

Nadya Mason

Professor of Condensed Matter Physics at the University of Illinois at Urbana-Champaign

Jamie Paik

Founder & Director of the Reconfigurable Robotics Lab

Ella Al-Shamahi

Paleoanthropologist & Stand-Up Comic

Dr. Lindsey Doe

Clinical Sexologist and Sex Educator, Known for the Online Video Series "Sexplanations"

Brian Hare

Co-founder of Dognition & Associate Professor of Evolutionary Anthropology at Duke University, Author of "The Genius of Dogs"

Arlie Russell Hochschild

Professor Emerita of Sociology at UC Berkeley, Author of 'The Outsourced Self'

Abigail Marsh

Award-Winning Author & Neuroscientist; Director, Georgetown University's Laboratory on Social & Affective Neuroscience

Kathryn Edin

Director of the Center for Research on Child Wellbeing; William Church Osborn Professor of Sociology and Public Affairs at Princeton University; PI, Fragile Families and Child Wellbeing Study

Andrew Pelling

Award-Winning Scientist, Professor, and Entrepeneur, TED Fellow

Monica Grady

British Space Scientist; Professor of Planetary and Space Science at the Open University; Chancellor of Liverpool Hope University

Dorothy Roberts

Scholar & Social Justice Advocate

Judson Brewer

Founder, MindSciences, Inc.; Director of Research and Innovation at Brown University's Mindfulness Center

Wilton Virgo

Laser Spectroscopist & Author of "Quantum Mechanics in Everyday Life"

Ann Mullen

Sociology Professor at the University of Toronto; Social & Gender Inequality Researcher; Author of "Degrees of Inequality"

Eduardo Bonilla Silva

Professor of Sociology at Duke University & Author of "Racism without Racists"

Iyad Rahwan

Associate Professor @ MIT Media Lab -- Expert on: AI & Society; Machine Ethics; Social Media; Crowdsourcing; Large-Scale Cooperation

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Wendy Suzuki

Professor of Neural Science and Psychology in The Center for Neural Science at New York University

Dr. Hendrik Poinar

Evolutionary Biologist Specializing in Ancient DNA

Dr. Scott Fraser

Forensic Psychologist

Marla Spivak

Entomologist; Focused on Practical Applications to Protect Honey Bee Populations

Bart Knols

Scientist, Author, Entrepreneur

Michael Stevens

YouTube Sensation; Best Known as Vsauce