Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Charlie "Rocket" Jabaley

Grammy Award Winner & Nike Athlete

Maria Menounos

CEO & Co-founder of AfterBuzz TV; Former E! News Co-Anchor; Best-selling Author, Journalist & Activist

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Jeannie Gaffigan

American actress, producer, and comedy writer

Simone Giertz

Inventor, Robotics Enthusiast & TV Host

Matthew Zachary

America's Patient Advocate & The "Podfather" of Healthcare

Scott Hamilton

Olympic Gold Medalist Figure Skater, Three-Time Cancer Survivor & Best-Selling Author

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Lauren Holiday

Former U.S. Women's Soccer Player, Two-time Olympic Gold Medalist & FIFA World Cup Champion; Brain Tumor Survivor

T.J. Miller

Actor and Stand-Up Comedian, Currently Starring in HBO's 'Silicon Valley'

Jeff Bloomfield

Former Sales & Marketing Executive, Entrepreneur, Author, Cancer Survivor; Founder & CEO of BrainTrust

Shirin Behzadi

Board Director & Advisor; Brain Cancer Survivor

Don Yaeger

Award-Winning Leadership Coach & Best-Selling Author

Jean Case

CEO of the Case Foundation & Author of "Fearless: Five Principles for a Life of Breakthroughs and Purpose"

Courtney Burnett

Physician, Cancer Thriver, Motivational Speaker, Author of "Difficult Gifts: A Physician's Journey to Heal Body and Mind"

Matthew S. Newman

Author of "Starting at the Finish Line"

Tionne Watkins

Grammy Award-Winning Singer Known as "T-Boz;" Sickle Cell Anemia Advocate & Brain Tumor Survivor

Zazel-Chavah O’Garra

Performing Artist & Brain Tumor Survivor

Dr. Allan Hamilton

Harvard-Trained Brain Surgeon, Award-Winning Writer & Medical Script Consultant for "Grey’s Anatomy"

Jeannine Walston

Brain Tumor Survivor, Motivational Speaker, Advocate, Founder & CEO of Integrative Cancer Care for the Whole Person & Healing Focus

Patricia Walsh

World Champion Athlete, Award-Winning Engineer & Author of "Blind Ambition"