Rudy Giuliani

Informal Adviser on Cyber Security for the White House; Former Mayor of New York City; Former U.S. Attorney for the Southern District of New York

Howard Schultz

Executive Chairman & Former CEO of Starbucks; Former Owner of the Seattle SuperSonics

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Al Gore

45th Vice President of the United States, Nobel Peace Laureate & Bestselling Author

What the Fossil Fuel Industry Doesn't Want You To Know | Al Gore | TED

Dick Cheney

Former Vice President of the United States

Caroline Kennedy

Ambassador, Attorney & New York Times Best Selling Editor

Mika Brzezinski

Co-host of MSNBC's "Morning Joe" & Bestselling Author; Founder of "Know Your Value"

Joe Scarborough

Co-Host of MSNBC's "Morning Joe" & Former U.S. Congressman

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Bill O'Reilly

Host of "The O'Reilly Factor," Best-Selling Author & Syndicated News Columnist

Joe Biden

46th President of the United States & Former Vice President of the United States

Angela Merkel

Germany's First Female Chancellor

Maria Bartiromo

Global Markets Editor, FOX Business Network

Rex Tillerson

Former U.S. Secretary of State, Former Chairman and Chief Executive Officer of ExxonMobil

Greg Gutfeld

Political Satirist Known for "The Greg Gutfeld Show" & "The Five."

John Kerry

Climate Envoy for National Security; Former U.S. Secretary of State & Bestselling Author of "A Call to Service: My Vision for a Better America"

Nicolas Sarkozy

President of the French Republic (2007-2012)

Mitt and Ann Romney

Former Presidential Candidate and Governor of Massachusetts & Former First Lady of Massachusetts and Wife of Mitt Romney

Bill Clinton

42nd President of the United States; Founder of the William J. Clinton Foundation