Dr. John Boockvar

Vice Chair of the Department of Neurosurgery at Lenox Hill Hospital & Director of the Department’s Brain Tumor Center; Featured on Netflix's "Lenox Hill"

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

Vanessa Bayer

Actress & Comedian Known for "Saturday Night Live" and "Trainwreck"

Tiki Barber

NFL Former Pro Bowl Running Back & Founder of Thuzio

Gloria Steinem

Feminist Writer, Activist & Organizer; Co-Founder of New York Magazine & Ms. Magazine

Nancy Snyderman, MD

Retired Surgeon & Award-Winning Medical Journalist

Daymond John

"Shark Tank" Investor; Founder & CEO of FUBU; Presidential Ambassador for Global Entrepreneurship

Bill Cowher

NFL Studio Analyst for CBS’ The NFL Today, 15-year Head Coach & Super Bowl Champion with the Pittsburgh Steelers

Maria Menounos

CEO & Co-founder of AfterBuzz TV; Former E! News Co-Anchor; Best-selling Author, Journalist & Type-1 Diabetic

Dr. Mikhail Varshavski

Known as "Doctor Mike;" Leading Medical Media Voice Who Communicates the Value of Preventive Medicine

Maura Tierney

Golden Globe Award-Winning Actress & Breast Cancer Survivor

Rachel Maddow

Host of "The Rachel Maddow Show" on MSNBC

Jeannie Gaffigan

American actress, producer, and comedy writer

Bryant Gumbel

Emmy Award-Winning Journalist, Host of "Real Sports with Bryant Gumbel" on HBO

Roza Selimyan, Ph.D.

I am a three-time cancer survivor and a scientist in the fields of Genetics and Molecular Biology. During my journey to healing and recovery, I have learned a lot about health - learned about things that one cannot necessarily find in the medical or biolo

Matthew Zachary

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

Joan Lunden

Award-Winning Journalist, Best-Selling Author, Health & Wellness Advocate

Nimesh Patel

Comedian & Writer

Finessing McDonalds - Nimesh Patel - YouTube

David Fajgenbaum

Physician Dedicated to Drug Repurposing for Orphan Diseases; Co-Founder of Every Cure & Castleman Disease Collaborative Network

White House Rare Disease Forum

Amy Robach

Co-Host of "Amy & T.J. Podcast"; Former Co-Host of "20/20" & Former ABC News Correspondent for "Good Morning America;" Breast Cancer Survivor