Greg M. Glienna is an American director and screenwriter best known as the creator of the original Meet the Parents. He also wrote A Guy Thing and wrote and directed Relative Strangers. He is also the co-author (with Mary Ruth Clarke) of the play Suffer the Long Night which had its Los Angeles premiere August 2008. The film Spy High, a script Glienna co-wrote with Pete Schwaba, will go into production by Bold Films in June 2009.
