Christopher Beau Landon is an American film director, producer, and screenwriter best known for working in the horror and comedy horror genres. He has worked as a screenwriter on the thriller Disturbia and most of the films in the Paranormal Activity found-footage horror series. He wrote and directed Paranormal Activity: The Marked Ones as well as the horror comedy films Happy Death Day, Scouts Guide to the Zombie Apocalypse, Happy Death Day 2U, Freaky, and We Have a Ghost.