Maura Tierney

Golden Globe Award-Winning Actress & Breast Cancer Survivor

Korie Robertson

Star of A&E's "Duck Dynasty"

Isaac Mizrahi

Fashion Designer & Former Creative Director of Liz Claiborne

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Oscar Pistorius

"Blade Runner"; Double-Amputee Olympic Sprinter

Jeff Martin

Former Apple Marketing Executive in Digital Strategy; Founder of Tribal Brands and Global Investor

Nikesh Arora

SVP and Chief Business Officer, Google

Les Stroud

Star of "Survivorman", Producer, Author, Filmmaker & Activist

Rem Koolhaas

Dutch Architect, Architectural Theorist, Urbanist and Professor in Practice of Architecture and Urban Design at the Graduate School of Design at Harvard University

Seth Priebatsch

Princeton Drop-out, Founder of Google Ventures Funded SCVNGR

John Tesh

Inspirational Radio Host, Pianist & Composer; Known for His Radio Show "Intelligence for Your Life"

John Tesh Music - YouTube

Judith Light

Award Winning Actress & Activist

Danielle Fishel

Actress, Television Personality & Author

Naveen Selvadurai

Co-founder, Foursquare

Cher Lloyd

Singer, Rapper and Songwriter Known for her Hit Song, "I Want You Back"

Laurence Tribe

Carl M. Loeb University Professor at Harvard Law School & Author

Donald Driver

NFL Super Bowl Champion, Children's Author, "Dancing With the Stars" Winner & Family Man

Robert Greene

New York Times Bestselling Author of "The 48 Laws of Power," "The Art of Seduction," "The 33 Strategies of War," and "The 50th Law"

Richard Engel

NBC News Chief Foreign Correspondent

Kathy Reichs

Bestselling Author, Forensic Anthropologist & Producer of Fox's "Bones"