Ray Mabus

Former U.S. Secretary of the Navy; Former Governor of Mississippi

Jennifer Pharr Davis

Long-Distance Hiker & Author; Overall Record Holder on the Appalachian Trail -- The First Woman to Set That Mark

National Geographic Live! - Jennifer Pharr Davis: Triumph on the Trail

Anirban Basu

Economic & Policy Expert & CEO of Sage Policy Group in Maryland

José M. Hernández

Former NASA Astronaut, Engineer, Former Candidate for U.S. Congress & Author

Andrew Fastow

Former CFO of Enron & Expert on Financial Ethics

Katie Spotz

World Record-Breaking Endurance Athlete & Safe Water Activist

Ginger Zee

Chief Meteorologist for ABC News, Author & Mental Health Advocate

Chris Laszlo

Professor of Organizational Behaviour at Case Western Reserve University; One of the Originators of the Concept of Sustainable Value

Bruce Watson

Author of "Freedom Summer"

Alexandra Horowitz

Professor of Psychology, Animal Behavior, and Canine Cognition; Bestselling Author of "Inside of a Dog: What Dogs See, Smell and Know"

Hope Jahren

Author, Geochemist & Geobiologist

Lisa Wysocky

Registered PATH Therapeutic Riding Instructor, Mystery Author, Educator of Horses for EAAT

Gaia Grant

Researcher, Global Innovation Leadership Consultant, Creative Thinker & Author

The Innovation Race: How to Change a Culture to Change the Game

Molly Yeh

Host of Food Network’s "Girl Meets Farm," Cookbook Author & Blogger

Home Is Where the Eggs Are

Simon Breakspear

Executive Director of Agile Schools; Research Fellow at the University of New South Wales

Tara Houska

Tribal Attorney, Indigenous Rights Activist & Founder of Not Your Mascots

Perry Raso

Owner of Matunuck Oyster Bar & Farm

Justin L. Lurie

Investment Banker, Politician & Corporate Strategy Author

Roger Martin

Management Thinker, Author, Strategist & Advisor

Tiki Davis

Award-Winning Entrepreneur, Successful Businessman, Oil & Gas Expert, Actor, Author & Survivor