Bert Jacobs

Co-Founder & Chief Executive Optimist of Life is Good

Sean Astin

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

Kathy Bates

Academy Award-Winning Actress; Cancer Survivor & Chairperson for the Lymphatic Education & Research Network

Robin Meade

Host of HLN's Morning Express, Singer-Songwriter, New York Times Best-Selling Author

JP Pawliw-Fry

Co-Founder of the Institute for Health and Human Potential, Author & Columnist

Susan Cain

Bestselling Author; Lecturer; Expert on Culture & The Power of Introverts

Nigel Marsh

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

Richard Greene

Communication Strategist & Public Speaking Trainer

Gabrielle Bernstein

Founder of HerFuture.com & New-York Times Best-Selling Author

Michael Gelb

Educator, Innovation & Creativity Expert; Author of "How To Think Like Leonardo Da Vinci"

Alison Bechdel

Internationally Recognized Cartoonist & Author of "Fun Home"

Gretchen Rubin

New York Times Best-Selling Author of "The Happiness Project;" Host of Podcast "Happier with Gretchen Rubin"

Gretchen Rubin - Knowing Yourself: Why You're Happy and You ...

Tig Notaro

Grammy Award-Nominated Stand-Up Comic, Writer, Radio Contributor & Breast Cancer Survivor

Dan Savage

Advice Columnist & Host of the "Savage Lovecast" Podcast; LGBTQ Activist

John Mackey

Co-Founder & CEO, Whole Foods Market

Ice-T

Rapper, Record Producer & Actor Known for "Law & Order: SVU"

Don Yaeger

Award-Winning Leadership Coach & Best-Selling Author

Tom Koulopoulos

Chairman & Founder, Delphi Group; Business Author, Visionary Leader & Authority on Changing Technology

Devin Alexander

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

Marlee Matlin

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