Ryan Reynolds

Producer, Screenwriter, Actor & Entrepreneur; Co-Owner of Welsh Football Club Wrexham A.F.C.

Sebastian Vettel

Four-time Formula One Champion

Rose Marcario

Former President and CEO of Patagonia; Partner at ReGen Ventures

Karlie Kloss

Entrepreneur, Model, Philanthropist & Founder of Kode With Klossy

Jason Momoa

Actor, Producer, Environmental Activist, Known For "Aquaman" and "Game Of Thrones"

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Josh Groban

Pop and Classical Singer Who Has Sold Over 25 Million Records Worldwide

Alanis Morissette

Alt-Rock Angst Icon Known for "You Oughta Know" & "Ironic"

will.i.am

Multi-Faceted Entertainer & Creative Innovator; Education Advocate

Black Eyed Peas Present Masters of the Sun: The Zombie Chronicles (Black Eyed Peas Pres...

Janelle Monáe

Singer-Songwriter, Rapper, Actress & LGBTQ Advocate

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Alexis Ohanian

Co-Founder of Initialized Capital & Co-Founder of Reddit; Entrepreneur, Investor, Activist & Bestselling Author

Alexis Ohanian Carthage College Commencement Address 2014

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Sir Richard Branson

Businessman & Founder of Virgin Group

Duran Duran

English Rock Band

Annie Lennox

Singer-Songwriter Known for "Sweet Dreams;" Political Activist & Humanitarian

George Soros

Chairman of Soros Fund Management LLC, Founder of Open Society Foundations & Philanthropist

James Cameron

Filmmaker, Artist, Environmentalist

Al Gore

45th Vice President of the United States, Nobel Peace Laureate & Bestselling Author