Lisa Randall

Award-Winning Physicist & Author

Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe

Maura Tierney

Golden Globe Award-Winning Actress & Breast Cancer Survivor

James McBride

New York Times Best-Selling Author & Musician

Dr. Roberta Bondar

Canada's First Female Astronaut; World's First Neurologist in Space

Ellen MacArthur

Former Long-Distance Yachtswoman & Founder of the Ellen MacArthur Foundation

David de Rothschild

Environmentalist, Adventurer & Founder of Sculpt the Future Foundation

Shorty Rossi

Star of "Pit Boss" on Animal Planet

Atul Butte

Chief of the Division of Systems Medicine and Associate Professor of Pediatrics, Medicine, and Computer Science, at Stanford University.

Andrew Weil

Physician & Author; Broadly Described Guru of the Alternative Medical Brands

Gary Wolf

Co-Founder, Quantified Self; Contributing Editor, WIRED

Laurie David

Producer, Activist Author,The Family Dinner: Great Ways To Connect With Your Kids One Meal At A Time

Joel E. Cohen

Mathematical Biologist, Rockefeller University

Tichina Arnold

Actress Best Known for Role on Sitcom, "Martin", "Everybody Hates Chris"

Sissy Spacek

Academy Award-winning Actress and Singer

Jay Hernandez

Actor known for "Friday Night Lights," "Ladder 49," "The Rookie" and "Nashville,

Luis Rodriguez

Official Poet Laureate of Los Angeles; Poet, novelist, journalist, critic, and columnist.

Aaron Tippin

Country Music Singer-Songwriter & Record Producer

Aaron Tippin "You Gotta Stand for Something"

JJ Ramberg

Host of MSNBC's "Your Business" & Co-Founder, GoodSearch.com

Leelee Sobieski

Actress Known for her Roles in "Public Enemies," "88 Minutes," "The Wicker Man," "The Glass House" and "Joy Ride"

Richard Schiff

Award-Winning Actor Known for "The West Wing" & "Wet Hot American Summer: First Day of Camp"