Michael Archer

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

Mina Bissell

Iranian-American Biologist; Known for her Research on Breast Cancer

Cesar Kuriyama

Director, Producer & TED Speaker; Known for 1 Second Everyday

Danielle Feinberg

Director of Photography at Pixar Animation Studios; STEM Advocate & Supporter of Girls Who Code

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.

Tyler DeWitt

Research Scientist; High School Teacher, Digital Content Author & STEM Education Advocate

David Moinina Sengeh

Minister Of Basic and Senior Secondary Education & Chief Innovation Officer for the Government of Sierra Leone

Bunker Roy

Founder of Barefoot College

Michael Bodekaer

Technology Entrepreneur & Founder of Labster

Katherine Kuchenbecker

Assistant Professor in the Mechanical Engineering and Applied Mechanics Department, with membership in the Bioengineering Graduate Group at the University of Pennsylvania.

Michael Stevens

YouTube Sensation; Best Known as Vsauce

Read Montague

Neuroscientist & Popular Science Author

Penny Chisholm

Award-Winning Oceanographer & Professor, MIT

Professor Penny Chisholm on Earth Week

Darrell Kirch

President & CEO of the Association of American Medical Colleges; Psychiatrist & Clinical Neuroscientist

Diandra Leslie-Pelecky

Author, ‘The Physics of NASCAR’

Molly Crockett

Globetrotting Neuroscientist investigating altruism, morality and economic decision-making.

Laura Snyder

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

Joe Hanson

Science Writer, Biologist, Video Producer & Educator

Dr. Phil Plait

Blogger for Discover Magazine at Bad Astronomy, where he deconstructs misconceptions and explores the wonder of the Universe.

Jeffrey Kluger

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

Clay Shirky

Expert on New Technology & Social Media, & How They Shape Culture; Professor & Distinguished Writer in Residence, NYU

Jimmy Wales

Founder of Wikipedia & Wikitribune

Michael Rogers

MSNBC's 'The Practical Futurist' & Technology Expert

Jeremy Rifkin

Leading Global Technologist, Futurist, Authority on World Economic & Environmental Trends

Marc Abrahams

Creator of the Ig Nobel Prizes

Punya Mishra

Educational Designer, Researcher & Leader

Jason McLellan

Structural Biologist & Associate Professor in the Department of Molecular Biosciences and Robert A. Welch Chair in Chemistry at The University of Texas at Austin

Nora Flanagan

Educator, Author & TED Speaker

Robert Siddall

Lecturer in Robotics, University of Surrey

Christian Happi

Molecular Biologist