Simone Biles

Most Decorated Gymnast Ever & Record Holder for Most Gold Medals at a Single Olympic Games

Lilly Singh

YouTube Personality, Comedian, Author & Actress; Former Host of NBC's "A Little Late with Lilly Singh"

Be a Triangle: How I Went from Being Lost to Getting My Life into Shape

Marie Kondo

Japanese Organizing Consultant & Author; One of TIME Magazine's "100 Most Influential People" in 2015

Billie Lourd

"Booksmart" and "Scream Queens" Actress, Daughter of Carrie Fisher

Ashley Graham

Model, Entrepreneur & Body Image Activist

Constance Wu

Actress Known for "Fresh Off the Boat" & "Crazy Rich Asians"

Making a Scene

Troye Sivan

Australian-South African Actor, YouTuber & Singer-Songwriter; Recently Signed a Record Deal with Universal Music

David Muir

Anchor, ABC World News Tonight with David Muir; Co-Anchor, '20/20'

David Goggins

Retired Navy SEAL & Accomplished Endurance Athlete

Rachel Roy

Fashion Designer; Founder of Rachel Roy

Paul Stanley

Co-Lead Vocalist & Frontman of "Kiss"

Lizzo

Alternative Hip-Hop Artist Known for Her Body Positive Message & Chart-Topping Singles "Truth Hurts," "Juice" & "About Damn Time"

James Park

CEO & Co-founder of Fitbit

Chris Milk

Immersive Artist, Director, entrepreneur; CEO & Founder of Within, Co-Founder of Here Be Dragons

Susan Boyle

Scottish Singer Who Gained Fame Singing "I Dreamed A Dream" on "Britain's Got Talent"; Epilepsy & Asperger's Awareness Advocate

Gigi Hadid

Fashion Model and TV Personality

Arthur D. Levinson

CEO of Calico; Chairman of Genentech; Chairman of Apple Inc.

Pete Wentz

Member of Fall Out Boy; Owner of Decaydance Records

Deepika Padukone

Indian Film Actress & Fashion Model; Founder of The Live Love Laugh Foundation Promoting Mental Health Awareness in India

Martine Rothblatt

Medical Ethics & Technology Expert; Creator of SiriusXM Satellite Radio, Chairman & CEO of United Therapeutics Corp

Two Stars for Peace: The Case for Using U.S. Statehood to Achieve Lasting Peace in the ...