Mark David McKinnon is an American political advisor, reform advocate, media columnist, and television producer. He was the chief media advisor to five successful presidential primary and general election campaigns, and is a co-founder of No Labels, an organization dedicated to bipartisanship and political problem solving. He served as vice chairman of Public Strategies, Inc., which was acquired by the international communications consultancy Hill & Knowlton Strategies, and was president of Maverick Media. McKinnon is the co-creator, co-executive producer, and co-host of Showtime's The Circus: Inside the Greatest Political Show on Earth and consulted on the HBO series The Newsroom and Netflix's House of Cards. He was a regular columnist for The Daily Beast and The Daily Telegraph (London).