Erica Jong

Feminist, Social Critic, Poet & Author of "Fear of Dying"

Star Jones

Former Co-Host of "The View", Social Justice & Heart Disease Advocate

Daymond John

"Shark Tank" Investor; Founder & CEO of FUBU; Presidential Ambassador for Global Entrepreneurship

Frans Johansson

Innovation Expert & Author of "The Medici Effect"

A.J. Jacobs

Best-Selling Author & "Human Guinea Pig"

The Year of Living Constitutionally: One Man's Humble Quest to Follow the Constitution'...

Lauren Hutton

Model & Actress

James Hoge

Editor of Foreign Affairs Magazine

John Hodgman

Resident Expert on "The Daily Show with Trevor Noah", Author, Humorist

Bob Hirschfeld

Business Satirist

Ed Helms

Actor, Comedian & Musician; Known "The Office" & "The Hangover" Trilogy

Ed Helms Needs a Mouth Medic While Eating Spicy Wings | Hot Ones

Chris Hedges

Foreign Correspondent & Author

Bob Harper

Personal Trainer & Former Host of "The Biggest Loser;" Heart Attack Survivor

Maintaining A Healthy Body & Mind | Bob Harper Q&A

Howard M. Guttman

Howard M. Guttman is the principal of Guttman Development Strategies, Inc., a management consulting firm specializing in executive development, management development, and organization development.

Greg Gumbel

Emmy Award-Winning Sportscaster for CBS Sports

Ed Gordon

Emmy Award-Winning Broadcaster

Genevieve Gorder

Interior Designer & Host, Known For HGTV's "Dear Genevieve"

Amy Goodman

Host & Executive Producer, Democracy Now!

Whoopi Goldberg

Award-Winning Actress, Comedian & Co-Host of ABC's "The View"

Judah Friedlander

Standup Comedian & Actor Known for his Role in "30 Rock"

Harry Freedman

Corporate Put-on Comedian & Emcee