Shawn Achor

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

Amy Purdy

Former "Dancing with the Stars" Contestant & Paralympic Professional Snowboarder

Ben Stein

Political Economist, Commentator, Author & Actor

Sherry Lansing

Former CEO of Paramount Pictures & Founder of The Sherry Lansing Foundation

Iyanla Vanzant

New York Times Best-Selling Author, Spiritual Life Coach & Host of "Iyanla Fix My Life"

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Carla Hall

Co-Star of "Crazy Delicious;" Host of Discovery+'s "Foodways" & the "Say Yes!" Podcast

David Agus

Co-Founder of Navigenics, Author of "The End of Illness" & Host of "The Checkup with Dr. David Agus"; Professor of Medicine & Engineering at the University of Southern California

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Dara Torres

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

Peter Guber

Executive, Entrepreneur & NYT Bestselling Author; Operating Owner of the 3-Time NBA Champion Golden State Warriors

Sophia Bush

Actress, Humanitarian & Author

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Daniel Kraft, M.D.

Physician-Scientist; Founder of Exponential Medicine; Chair for Medicine & Neuroscience at Singularity University

Greg Louganis

4x Olympic Gold Medal Diver; LGBTQ Activist & Author

Jon Steinberg

CEO of Future Plc., Founder of Cheddar; Former President & COO of Buzzfeed; Former CEO of Daily Mail.com in North America

Mira Sorvino

Academy Award-Winning Actress & United Nations Goodwill Ambassador on Human Trafficking

Seth Mattison

Co-Founder & Chief Movement Officer of Luminate Labs, Expert on Workforce Trends and Business Strategy; Author

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Rob Waldo Waldman

Decorated Fighter Pilot; Power of Relationships & Trust Advocate

Monica Lewinsky

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

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Katty Kay

Award-Winning Journalist & Anchor; NYT Best-Selling Author; US Special Correspondent for BBC & MSNBC Contributor