Sophia Bush

Actress, Humanitarian & Author

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Ian Somerhalder

Actor Known for "The Vampire Diaries;" Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

The Future in 2050 with Dr. Michio Kaku & Alex Klokus | #

Hilary Swank

Academy Award-Winning Actress; Best known for her roles in 'Million Dollar Baby' and 'Boys Don't Cry'