Aidan Gallagher

Actor, Musician & UN Environment Goodwill Program Ambassador; Known for "The Umbrella Academy"

Aidan Gallagher On 'The Umbrella Academy' and His Music | Seventeen

Holly Branson

Chair of Virgin Unite at Virgin & Co-Author of "WEconomy: You Can Find Meaning, Make A Living, and Change the World"

Neville Isdell

Former CEO and Chairman of Coca-Cola

Alex Honnold

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

Riley Green

Country Musician, Singer & Songwriter

Charlize Theron

Academy Award-Winning Actress; Best Known for "Monster" & "Mad Max: Fury Road"

Brad Pitt

Actor, Producer, Philanthropist & Environmental Activist

Carey Mulligan

Award-Winning Actress Known for "The Great Gatsby" & "Promising Young Woman"

David Duchovny

Actor, Writer & Director Known for "The X-Files," "Aquarius" & "Californication"

Laura Dern

Actress, Director, Producer & Activist

Ellen DeGeneres

Award-Winning Comedian, TV Host, Actress & LGBTQ Activist

Glenn Close

Actress & Advocate

Kristen Bell

Actress & Film Producer; Known for "Veronica Mars" & "Frozen"