Jennifer Pharr Davis

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

Outdoor School: Hiking and Camping: The Definitive Interactive Nature Guide

Adam G. Riess

Nobel Prize-Winning Astrophysicist

Carin Bondar

Biologist, Online and TV Host, Public Speaker, Author

Stephen Cave

Philosopher and Author of "Immortality: The Quest to Live Forever and How It Drives Civilization"

Tony Juniper

Writer, Sustainability Advisor, & Environmentalist

Professor Sandy Pentland

Director, MIT’s Human Dynamics Laboratory and the MIT Media Lab Entrepreneurship Program

Dominic Thurbon

Chief Creative Officer of Change Labs

Fatima Siad

Somali-Ethiopian Fashion Model Who Got her Start on "America's Next Top Model"; Speaks Openly on her Female Genital Circumcision

H.E. Jose Maria Figueres

Former President of Costa Rica / CEO , Concordia21.

Jackie Huba

Leading Authority on Customer Loyalty and Word of Mouth Marketing

Peter Ubel

Behavioral Scientist Physician; Marketing Professor at Duke University

Jacqueline Davies

Jacqueline Davies is the talented writer of several novels and picture books, including The Lemonade War series and The Boy Who Drew Birds.

Steven Giannotta, M.D

Steven L. Giannotta, MD, is Chairman of Neurological Surgery at Keck School of Medicine of USC. Helped with the Grey's Anatomy series.

Marianela Pereyra

Host of "Marianela's Top 10 California Beaches" and "Marianela's Ultimate Florida" on TravelChannel.com

Bits In the Ether

Andrew Sacks

Founder of AgencySacks NYC; Expert on Marketing to the Affluent

Snowden McFall

A professional speaker who gives great value to her clients. An expert in business success strategies, stress and motivation, she generates powerful r

Andy Habermacher

Expert in the Connections Between Brain Science and Business

Carlton Ward Jr.

Conservation Photographer & National Geographic Explorer; Founder of Florida Wild

Jamie Bartlett

Author, Journalist, and Director of the Centre for the Analysis of Social Media at the think- tank Demos