Kat Graham

Actress, Musician, Model Known For "The Vampire Diaries"

Katrina Armstrong

Chief Executive Officer of the Columbia University Irving Medical Center; Dean of the Faculties of Health Sciences & the Vagelos College of Physicians and Surgeons

Booboo Stewart

Actor Best Known for Playing Seth in "The Twilight Saga" & Warpath in "X-Men: Days of Futures Past"

Dario Calmese

Artist, Urbanist, Director & Brand Consultant; First Black Photographer to Shoot a Vanity Fair Cover

Marc Mero

Former WCW and WWE Wrestling Champion

Marc Andreessen

Co-Founder and General Partner Andreessen Horowitz

Ray 'Boom Boom' Mancini

One of the Most Exciting Fighters of the '80s

Erica Anderson

Manager of News & Journalism for Twitter; Former Digital Media Strategist for Katie Couric

Ricky Jaime

Actor, Dancer, So You Think You Can Dance

Noelle Marsh

Dancer, Choreographer, Finalist on So You Think You Can Dance

Nick Young

Tap Dancer/Choreographer

Kayla Radomski

Actor, Dancer, So You Think You Can Dance

Jessica Rabone

Dancer, Season 12 finalist on So You Think You Can Dance

Chelsea Traille

Actress, Dancer, So You Think You Can Dance

Klaxons

Indie Rock Band

Josh McDowell

Christian Apologist, Evangelist & Best-Selling Author

Ellen Galinsky

Leading Authority on Work-Family Issues, Author, Creator of Mind in the Making Programs

Gerbert van der Aa

A unique specialist in Nothern and Western Africa

Arturo Mcdowell

Blockchain Expert, Consultant & Author of "Bitcoin Abc's"

BITCOIN ABC's: All Block Chains

Dina Temple-Raston

NPR National Security and Counterterrorism Correspondent