Nicholas Christakis

Sol Goldman Family Professor of Social & Natural Science; Director of the Human Nature Lab; Co-Director of the Yale Institute for Network Science

Cash Cash

World-Renowned Electronic Music Trio

Cash Cash - Take Me Home ft Bebe Rexha [Official Video]

Colin Egglesfield

Actor, Producer, Entrepreneur & Motivational Speaker; Founder of Shout Out! Shirts & The AgileArtist Movement; Cancer Survivor

Brian Grazer

Academy Award-Winning Producer, Chairman & Co-Founder of Imagine Entertainment, Author of "A Curious Mind"

Tika Sumpter

Actress, Television Host & Model Known for "One Life to Live," "Gossip Girl," "The Game" & "The Haves and Have Nots"

SuChin Pak

Veteran Media Personality & TV Host

Derek Luke

Award-Winning Actor; Best Known for "Antwone Fisher," "Rogue" & "Empire"

Bob Newhart

Stand-Up Comedian & Actor, Known for "The Bob Newhart Show" and "Newhart"

Steven Curtis Chapman

Christian Music Singer-Songwriter, Author, Social Activist & Vocal Advocate for Adoption

Kevin Rose

Venture Capitalist; Former TechTV/G4 Personality; Founder of Digg & Entrepreneur

Nicole Ari Parker

Actress, Founder of the Sophie's Voice Foundation with Husband Boris Kodjoe

Debby Ryan

American Actress, Singer & Star of Disney Series "Jessie" and "Sweet Life on Deck"

Hunter Hayes

Country Musician Known For Hits Such as "Wanted" and "Storm Warning"

Norman Reedus

Actor; Best Known as Daryl Dixon on "The Walking Dead"

Jim McCann

President & CEO of 1-800-FLOWERS.COM

Diplo

American DJ & Music Producer; Founder of Mad Decent

Demián Bichir

Academy-Award Nominated Actor; Best Known for "The Hateful Eight," "Weeds," & "The Bridge"

Darren Criss

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

Lena Headey

Actress Best Known for Her Role as Cersei on "Game of Thrones"

Bob Vila

Home Improvement Expert; Former Host of "This Old House" and "Bob Vila's Home Again," Among Other Shows