Lena Dunham

Writer, Director, Actor & Producer Best Known for HBO’s “Girls”

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Graham Hill

Founder of Life Edited & TreeHugger.com

Joe Sabia

Digital Artist, Celebrity Interviewer, TED Speaker & Franz Liszt Society Member

Jacques Pépin

Master French Chef; Food Columnist; Cookbook Author Educator

Kathy Kaehler

Celebrity Trainer & Lifestyle Expert

Trevor Noah

Emmy Award-Winning Comedian & Bestselling Author; Former Host of "The Daily Show"

Matt Damon

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

George Foreman

World Boxing Champion & Entrepreneur

Ruby Rose

Australian Model, DJ, Actress & TV Presenter; Known for "Batwoman" & "Orange is the New Black"

Peter Dinklage

Emmy Award-Winning Actor, Known for his Role on "Game of Thrones"

Serena Williams

Iconic Professional Tennis Player & Olympic Gold Medalist; Activist, Philanthropist & Entrepreneur

Best Coast

Indie Rock Band Known for Their Garage Rock, Surf Pop and Lo-Fi Sound

Courtney Elizabeth Anderson

Called the "Workplace Relationship Expert"; Business Strategist, Media Personality & TV Legal Analyst

Joe Kernen

Co-Anchor, Squawk Box

Mark Wahlberg

Actor, Producer & Philanthropist

Kim Cattrall

Actress & Author

Kim Cattrall On 'And Just Like That...' Cameo & LGBTQ+ ...

Clark Gregg

Actor Known For "The New Adventures of Old Christine" & "The Avengers"

Shaun Tomson

Former World Champion Surfer, Environmentalist & Motivational Speaker