Lea DeLaria

First Openly Gay Comic to Break the Late-Night Talk-Show Barrier; "Big Boo" on "Orange Is the New Black"

Alex Newell

Grammy Award-Winning Actor & Singer Known for "Glee"

Wil Wheaton

Actor, Author & Blogger; Known for "Star Trek: The Next Generation" & "The Big Bang Theory"

Sean Astin

Actor, Director, Voice Artist & Producer Known For "Lord of the Rings"

John Wood

Founder & Board Co-Chair of Room to Read; Former Microsoft Marketing Executive

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Marlee Matlin

Academy Award Winning Actress; Healthcare Advocate & Disability Rights Activist Fighting for Better Access for the Deaf

Adam Richman

Host of Man v. Food & Man v. Nation

Steve Rizzo

Hall of Fame Motivational Business Expert & Former National Headline Comedian

Ben Vereen

Tony Award-Winning Entertainer

Art Smith

Celebrity Chef, Author & Humanitarian; Served as the Personal Chef of Oprah Winfrey

Amanda Seales

Poet, Spoken Word Artist & Media Personality Known for HBO's "Insecure;" Anti-Smoking Activist

Caroline Rhea

Stand-up Comedian, Actress & Television Host

Caroline Rhea Stand-Up: Dating, Astrology and Having a Teenage Daughter

Kathy Najimy

Award-Winning Actress & Activist

Dan Abrams

Chief Legal Affairs Anchor at ABC News & Founder of Abrams Media

Lisa Oz

Best-Selling Author, Producer, Host & Entrepreneur

Maria Bello

Actress, Activist & Vital Voices Global Ambassador

Mark Spitz

Legendary Olympic Swimmer; Third Athlete to Win Nine Olympic Gold Medals

Mark Spitz on the 1972 Olympic Games in Munich

Karina Smirnoff

Professional Dancer on "Dancing with the Stars" & Author of "We're Just Not That Into You: Dating Disasters from the Trenches"

Peter Salgo

Healthcare Futurist, Emmy Award-Winning Health & Science Correspondent & Author of "The Heart of the Matter"