DJ Pauly D

DJ and Former Cast Member of MTV's "The Jersey Shore"

Elizabeth Cohen

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

Elizabeth Cohen - CNN news story on baby formula shortage

Omarosa Manigault Newman

Former Contestant on "Celebrity Apprentice"

Steven Tyler

Aerosmith Lead Singer & Former 'American Idol' Judge

Hal Sparks

Actor & Comedian

Nicole "Snooki" Polizzi

Reality TV Personality, Author & Entrepreneur; Known for "Jersey Shore" and "Snooki & Jwoww"

Robert Kenner

Documentary Filmmaker; Known for "Food, Inc."

Graham Hill

Founder of Life Edited & TreeHugger.com

Ethan Zohn

Winner of "Survivor" Africa, 2x Cancer Survivor, Stem Cell Transplant Recipient, Social Entrepreneur, Philanthropist, Cancer Research Advocate, Former Pro Soccer Player, Sports Broadcaster & TV Personality

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Brad Meltzer

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

Kimberley Locke

Singer / Television Personality

Kathy Kaehler

Celebrity Trainer & Lifestyle Expert

Kris Jenner

Media Personality, Producer, & Entrepreneur; CEO of Jenner Communications; Known for "The Kardashians"

How Kris Jenner Made The Kardashians Famous, Rich And Insanely Influential

Keith Olbermann

Award-Winning Host of "Olbermann"

Loretta LaRoche

Author, Humorist, Stress Expert & TV Personality

Bob Greene

Exercise Guru & Best-Selling Author

Jesse Dylan

Founder/CEO of Wondros & Filmmaker

Paula Zahn

Distinguished News Anchor & Nine-Time Emmy Award Winner

Jacques Pépin

Master French Chef; Food Columnist; Cookbook Author Educator

Bill Parcells

Former NFL Head Coach & Pro Football Hall of Fame Inductee

Dr. Phil McGraw

"Dr. Phil" Host, NY Times Bestselling Author, Psychologist

Tonya Lewis Lee

Author, Producer, Filmmaker & Entrepreneur; Women's Health Activist

Tonya Lewis Lee on the Black maternal mortality crisis

Jon Landau

Academy Award-Winning Producer of Titanic & Avatar

Denise Austin

Fitness Expert, Author & Video Hall of Famer

Keith Ablow

America's Psychiatrist

Clark Gregg

Actor Known For "The New Adventures of Old Christine" & "The Avengers"

Shalini Vadhera

Author, Celebrity Makeup Artist, Global Lifestyle Expert

Dean Karlan

Behavioral Economist, Social Entrepreneur & Author

Bobby Deen

Celebrity Chef, Author & Star of "Not My Mama's Meals"