Sir Richard Branson

Businessman & Founder of Virgin Group

Tom Hanks

Actor, Producer, Writer & Director; Known For "Forrest Gump"

Al Gore

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

Jonathan Van Ness

Hair & Beauty Expert, Author, Television Personality; Known for Netflix's "Queer Eye"

Alex Honnold

Professional Rock Climber & Star of the Academy-Award Winning Documentary "Free Solo"

Joy Buolamwini

Founder of Algorithmic Justice League & Researcher at MIT Media Lab

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Bill Nye

"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist

Ashley Judd

Actress, Activist & Humanitarian

Meg Whitman

CEO at Quibi; Former CEO at Hewlett Packard Enterprise & eBay

Marcus Lemonis

Serial Entrepreneur, Investor and Leadership Expert; Chairman and CEO of Camping World; Star of CNBC 'The Profit', 'Streets of Dreams' and HGTV's 'The Renovator'; Philanthropist and Founder of The Lemon-AID Foundation

Greg Norman

Professional Golfer and Entrepreneur

Robert Redford

Actor, Director, Producer, Environmentalist & Founder of the Sundance Film Festival

Ricardo Lagos

Former President of Chile

Sigourney Weaver

Golden Globe-Winning Actress & Environmentalist

Tara Brach

Author & Mindfulness Teacher; Host of the "Tara Brach" Podcast

Trusting the Gold: Uncovering Your Natural Goodness

Robert Cialdini

New York Times Best-Selling Author; The Foundational Expert in the Science of Influence & Persuasion

Robert Johansen

Bob Johansen, Ph.D., has worked for more than 35 years as a ten-year forecaster.

Dr. Jill Bolte Taylor

Scientist, Author & CEO of My Stroke of Insight, Inc.

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate