Alan Ritchson

Actor, Model & Singer; Best Known for Amazon's "Reacher" & CW's "Smallville"

Alec Ross

Author of "The Industries of the Future," and Recent Senior Advisor for Innovation to Hilary Clinton

Alice Walker

Pulitzer Prize & National Book Award-Winning Author; Best Known for "The Color Purple"

Amy DuBois Barnett

Chief Content Officer, theGrio.com & EVP Digital, Entertainment Studios

Anthony Mackie

American Actor & Film Producer, Known for "Captain America: The Winter Soldier," "The Hurt Locker" & "Ant-Man"

Banks

Singer-Songwriter and Rising Pop Starlet

Bernard Marr

Futurist, Influencer, Thought Leader & Big Data Guru; Founder & CEO, Advanced Performance Institute & Bestselling Author

Brad Meltzer

Host of History Channel’s "Lost History" & "Brad Meltzer’s Decoded;" New York Times Best-Selling Author

Brian Halligan

Co-Founder & CEO of HubSpot, Author & Senior Lecturer at MIT

Carrie Brownstein

Co-Creator, Co-Writer and Co-Star of "Portlandia;" Actress in "Transparent;" Electric Guitarist for Rock Band "Sleater-Kinney"

Chris Cagle

Country Music Artist Known for his Hits Like "I Breathe In, I Breathe Out" and "What a Beautiful Day"

Chris D'Elia

Comedian, Actor & Writer; Known for "Undateable," "Whitney," "The Good Doctor," & Netflix Stand Up Comedy Special "Man on Fire"

Chuck Palahniuk

Novelist & Freelance Journalist, Known for "Choke" and "Fight Club"

Clean Bandit

British Electronic Group Known for the Hit "Rather Be"

Craig Venter

Founder & CEO of Synthetic Genomics Inc.

Damon Wayans, Sr.

Actor & Comedian

Dan Patrick

Host of the Nationally Syndicated "Dan Patrick Show"

Daniel Dae Kim

Actor, Director & Producer

Daniel Silva

New York Times Bestselling Author & Spy Novelist

Darren Criss

Actor, Musician, Songwriter; Best known for his role on "Glee"

David Allen

Bestselling Author & Founder of The David Allen Company

David Kwong

Cruciverbalist, Magician & Founder of Misdirectors Guild, Inc.

Solving Together: A Puzzle Hunt by David Kwong

David Mamet

Pulitzer Prize-Winning Playwright

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Drew Houston

Co-Founder & CEO of Dropbox

Edie Weiner

President & CEO of The Future Hunters

Elizabeth Cohen

Senior Correspondent for the CNN Health, Medical, & Wellness Unit

Elizabeth Cohen - CNN news story on baby formula shortage

Ella Eyre

British Singer and Songwriter Known for Songs Like "Comeback" and "Deeper"

Graham Hill

Founder of Life Edited & TreeHugger.com