Darin Olien

Co-Host of Netflix "Down To Earth" with Zac Efron, Best-Selling; Original Formulator of "Shakeology;" Healthy Living & Superfoods Expert

Ruth E. Carter

Academy Award-Winning Costume Designer; Best Known for Her Work on "Selma" & Marvel's "Black Panther"

The Art of Ruth E. Carter: Costuming Black History and the Afrofuture, from Do the Righ...

Maya Adam, MD

Director of Health Media Innovation & Clinical Assistant Professor in the Department of Pediatrics at Stanford School of Medicine

Dara Torres

12x Olympic Medalist, NYT Bestselling Author, Entrepreneur & Healthcare Reform Advocate

Dr. Jennifer Ashton

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

Robert Cialdini

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

Shawn Achor

Harvard Professor, Researcher, Positive Psychology Expert, Author of "The Happiness Advantage" & "Big Potential"

Giuliana Rancic

Entertainment Journalist & Breast Cancer Survivor

Nina Garcia

Editor-In-Chief of Elle Magazine, Judge on "Project Runway;" Alzheimer's Awareness & Prevention Advocate

Daisy Fuentes

Cuban-American Correspondent, Actress, Fashion Designer & Television Host

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

Derek Muller

Youtuber, Filmmaker & Television Presenter

Melissa Rivers

Actress, Television Host & Producer, Equestrienne, and Philanthropist; Daughter of Late Comedian Joan Rivers

Dr. Mikhail Varshavski

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

Dr. William Li

Physician, Scientist & Bestselling Author of “Eat to Beat Disease: The New Science of How Your Body Can Heal Itself” and “Eat to Beat Your Diet: Burn Fat, Heal Your Metabolism, and Live Longer”

Morgan Fairchild

Actress and Advocate of Social and Humanitarian Causes

Walter Willett

Chair of Nutrition at Harvard School of Public Health

Sandra Lee

Cancer Survivor, Activist, Author, Emmy Award-Winning Television Chef & Home Life Expert

Dr. Shelley Sykes

The Happiness Guru

Jaclyn Smith

Actress, Designer, Entrepreneur; Best Known As Kelly Garrett In The Iconic Television Series "Charlie's Angels"