Zeb Hogan

Ecologist/ Photographer

Jeffrey Miron

Economics & Libertarianism Scholar, Senior Lecturer & Director at Harvard University

Robert Zemsky

Education Professor & Author of "Checklist for Change: Making American Higher Education a Sustainable Enterprise"

Dov Zakheim

Fmr. Undersecretary of Defense (Comptroller)

Shibley Telhami

Professor for Peace and Development at the University of Maryland

The Peace Puzzle: America's Quest for Arab-Israeli Peace, 1989–2011

Jerry L. Ross

Former astronaut & Author of "Spacewalker: My Journey in Space and Faith as NASA's Record-Setting Frequent Flyer"

Michael S. Roth

President of Wesleyan University & Author of "Beyond the University: Why Liberal Education Matters"

Michael Lombardi

Diving Scientist, Technologist & Environmentalist

Robert Torres

Chief Strategy Officer, Teach the World Foundation; Former Senior Program Officer, Bill and Melinda Gates Foundation

Heather Hiscox

Morning News Anchor, CBC

Ken Paulson

President and CEO of the First Amendment Center

Dr. Henry Lee

Forensic Scientist and Speaker

Dr. James A. West

Author, Lecturer, Seminar Leader, Psalmist & Revivalist

Douglas Schoen

Preeminent Political Pollster, Analyst & Fox News Contributor

Deane Hutton

Australian Science Communicator and Futurist

Thomas King

Award-Winning First Nations Writer

Chava Willig Levy

Lecturer, Editor and Author; Known for "A Life Not With Standing"

Caro Salazar

Open Disruptive Innovator

Frank Farmer Loomis

What Frank Loomis brings to his audiences is his life and work--1000% antiques.

Ani Phyo

Holistic Nutritionist & Plant-Based Raw Food Chef