Martin Seligman

Zellerbach Family Professor of Psychology & Director of the Positive Psychology Center at the University of Pennsylvania

Tomorrowmind: Thriving at Work with Resilience, Creativity, and Connection―Now and in a...

Nicholas Kristof & Sheryl WuDunn

Pulitzer Prize-Winning Journalists for "Half the Sky" & Human Rights Advocates

Tamera Mowry-Housley

Actress & Entrepreneur; Former Emmy & NAACP Image Award-Winning Talk Show Host on "The Real"

Amy DuBois Barnett

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

Xavier Sala-i-Martin

Chief Economic Advisor to the World Economic Forum

Pattie Sellers

Chair of Fortune's Most Powerful Women & Award-Winning Multimedia Journalist; Co-Founder & CEO at SellersEaston Media

Elizabeth Cohen

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

Elizabeth Cohen - CNN news story on baby formula shortage

Action Bronson

Rapper Known for his Critically Acclaimed Mixtape, "Rare Chandeliers"

Andrew McMahon

Singer-Songwriter; Andrew McMahon In The Wilderness; Former Front Man of Something Corporate and Jack's Mannequin; Survivor of Acute Lymphoblastic Leukemia

Norman Reedus

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

Gregory Boyle

Roman Catholic Priest of the Jesuit Order; Founder of Homeboy Industries

Jason Latimer

The World Champion of Magic

Scott McGillivray

Entrepreneur, Investor, Host & Author; Known For Hosting HGTV's "Income Property"

Eddie Huang

Writer, Chef, Entrepreneur, TV Personality & Author of "Fresh Off The Boat"

Wes Bentley

Film Actor; "American Beauty," "The Hunger Games"; FX's "American Horror Story"

Bobby Cannavale

Actor Known for his Emmy Award-Winning Role in the HBO Drama "Boardwalk Empire"

Simon Helberg

Actor & Comedian; Best Known for Role of Howard Wolowitz on "The Big Bang Theory"

Kunal Nayyar

Actor Known for "The Big Bang Theory"

Hunter Hayes

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

Lara Spencer

Co-host on "Good Morning America"