Geoff Colvin

Senior Editor-at-Large at Fortune & Bestselling Author

Kari Byron

Former Host of Discovery Channel's "Mythbusters" & Author of "Crash Test Girl;" Director of the National STEM Festival

Chris Hardwick

Creator of Nerdist Podcast and Website, Stand up Comedian and Current Host of "The Walking Dead" after show, "Talking Dead"

Rosario Dawson

Actress Known for "Daredevil" & "Rent;" Activist, Co-Founder & Chairwoman of Voto Latino

Samantha Bee

Host of "Full Frontal" on TBS & Former Correspondent at "The Daily Show" With Jon Stewart

John Hockenberry

Journalist and Commentator; Author, "Moving Violations: War Zones, Wheelchairs and Declarations of Independence"

Ellen DeGeneres

Award-Winning Comedian, TV Host, Actress & LGBTQ Activist

Stephen Colbert

Host of "The Late Show with Stephen Colbert"

Oprah Winfrey

CEO of Oprah Winfrey Network, Presidential Medal of Freedom Recipient & National Women's Hall of Famer

Oprah Winfrey: Broken Open | Oprah's Super Soul | OWN Podcasts ...

Rick Bayless

Award-Winning Chef, Cookbook Author, & TV Personality Known for His Authentic Mexican Cuisine

Eleanor Clift

Author; Washington Correspondent & The Daily Beast Columnist; Former "The McLaughlin Group" Panelist

Star Jones

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

Anderson Cooper

Journalist, TV Personality, Anchor of CNN's "Anderson Cooper 360°"

Amy Poehler

Comedian, Writer, Producer, Actress Best-Known For "Parks and Recreation", Co-Founder of Amy Poehler's Smart Girls

Joy Behar

Comedian, Actress & Former Co-Host of "The View"

Steve Harvey

TV Personality & Host of "Family Feud"

Jon Stewart

Talk Show Host, Comedian & Producer

Jon Stewart will return to ‘The Daily Show’ as host — just on Mondays

Tim Clue

Professional Humorist, Corporate Entertainer & Motivational Speaker

Linda Ellerbee

Award-Winning Journalist & Television Producer; Breast Cancer Survivor

Greg Gumbel

Emmy Award-Winning Sportscaster for CBS Sports