Nigel Marsh

Author of "Fat, Forty and Fired" and "Overworked and Underlaid"

Alison Bechdel

Internationally Recognized Cartoonist & Author of "Fun Home"

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”

Devin Alexander

New York Times Bestselling Author, Celebrity Chef Known For "Biggest Loser"

Jodie Sweetin

Entrepreneur, Actress, Producer & Author

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Rebecca Walker

Bestselling Author & Founder of the Third Wave Feminism Movement

What's Your Story? with author Rebecca Walker

Hugh Evans

Humanitarian; Founder & CEO of Global Poverty Project

Katie Lee

Chef, Co-Host of Food Network's "The Kitchen" & Author of "The Comfort Table: Recipes For Everyday Occasions"

Mary Roach

TED Speaker & Author Known for "Packing For Mars"

Janine Turner

Actress, Author & Radio Host; Columnist for the Washington Times

Kelly Osbourne

Fashion Designer, Singer & Actress; Former Contributor to E!'s "Fashion Police"; Daughter of Ozzy and Sharon Osbourne

Malaak Compton

Activist & Philanthropist

Soleil Moon Frye

Social Media Expert, Entrepreneur & Eco-Leader; Author of "Happy Chaos"; Alzheimer's Awareness Advocate

Richard Simmons

Fitness Instructor, Actor, Video Producer Known for "Sweatin' to the Oldies" Aerobics Videos

Peter Sandman

Creator of the "Hazard + Outrage"; Leading Expert in Risk Communication

Tony Plana

Actor & Director Known for "Ugly Betty;" Supporter of Comprehensive Immigration Reform; Advocate for Alzheimer's Disease

Buzz Aldrin

Former Fighter Pilot & 2nd Man to Walk on the Moon; Author

Lisa Niemi Swayze

Writer, Director, Producer, Activist & Author

Matthew Quick

Bestselling Author Known For "The Silver Linings Playbook"