Ray Kurzweil

Chairman of Kurzweil Technologies, Inventor & Futurist; Author of "How to Create a Mind"

Alexis Ohanian

Co-Founder of Initialized Capital & Co-Founder of Reddit; Entrepreneur, Investor, Activist & Bestselling Author

Alexis Ohanian Carthage College Commencement Address 2014

Jason Clay

Senior Vice President of Food & Markets at WWF

John Ratzenberger

Emmy-Nominated Actor, Entrepreneur & Philanthropist

Ed Rendell

Former Governor of Pennsylvania; NBC News Political Analyst & Author

Amory Lovins

Co-Founder & Chairman Emeritus of Rocky Mountain Institute

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

Ahmed Hassan

Celebrity Landscaper & TV Host of DIY's Yard Crashers, Blog Cabin, Turf War

Dennis Avery

Former Director, Center for Global Food Issues at the Hudson Institute

Reed Timmer

Meteorologist & Extreme Storm Chaser, Featured on the Reality Series "Storm Chasers"