Shawn Achor

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

David Zinczenko

Founder & CEO of Galvanized; Former Vice President of Men's Health, Women's Health & Prevention; Retired Nutrition & Wellness Editor at ABC News

Chade Meng Tan

Chief Happiness Officer, Google; Award-winning Entrepreneur and NYC Best-Selling Author

Tony Horton

Fitness Expert & Founder of Fitness Program P90X

Crush It!: The Revolutionary Fitness Plan for All Levels That Burns Fat, Builds Muscle,...

Dr. Holly G. Atkinson

Award-Winning Medical Journalist

Giuliana Rancic

Entertainment Journalist & Breast Cancer Survivor

Joan Lunden

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

Janet Mock

Author, Feminist, Transgender Rights Activist, TV Host & Founder of #GirlsLikeUs

Ashlee Vance

Award Winning Feature Writer, Bloomberg Businessweek; Author of NYT Bestseller "Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future"

Eric Thomas

Inspirational Speaker, Life Strategist & Author

Walter R. Stahel

Architect, Editor of the Risk Management Newsletter of The Geneva Association & Sustainability Advocate

April Ryan

White House Correspondent, MSNBC Political Analyst, D.C. Bureau Chief for TheGrio & Author

Scott McEwen

Attorney & Author of "American Sniper"

Kehinde Wiley

Visual Artist Specializing in Portrait Painting; Painted Barack Obama's Official Portrait

Diane Guerrero

Immigration Reform Activist & Actress Known for "Orange is the New Black" & "Jane The Virgin"

Helen Greiner

CEO at Tertill, Co-Founder & Former President of iRobot Corporation

Brian Krebs

Leading Cybercrime Journalist & New York Times Bestselling Author of "Spam Nation"

Tim Grover

CEO of Attack Athletics, Best-selling Author of "Relentless" and "Jump Attack"

Rishi Manchanda

Physician, Public Health Innovator, President & CEO of HealthBegins

Jeremy Bout

Executive Producer & Host of Edge Factor

Yoruba Richen

Award-Winning Documentary Filmmaker; Known For TED Talk on the Intersection of Civil Rights & LGBT Rights

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign

Geena Rocero

Transgender Model & Advocate; Founder of Gender Proud

Geena Rocero Is Writing Her Truth - GLAMOUR Cover Story

Kimberly Bryant

Founder & CEO of Ascend Ventures & Black Innovation Lab; Founder of Black Girls CODE

Nir Eyal

Bestselling Author & Expert on the Intersection of Psychology, Technology and Business

Andrew Fastow

Former CFO of Enron & Expert on Financial Ethics

Jenny Lawson

Writer, Humorist & Mental Health Advocate; NYT Bestselling Author of "Let's Pretend This Never Happened," "Furiously Happy," & "You Are Here and Broken"

Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Anna Escobedo Cabral

Former Treasurer of the United States, Partner at The Cabral Group & Jesse Ball duPont Fund Trustee

Hasan Minhaj

Comedian, Actor, Writer & Star of "Patriot Act with Hasan Minhaj"