Dan Mazeau is an American screenwriter. While attending the MFA screenwriting program at UCLA, he wrote a family fantasy, "The Land of Lost Things", and the script was set up at Nickelodeon/Paramount Pictures, with Arnold Kopelson producing. Dan Lin and Warner Bros. hired Mazeau to adapt the Jonny Quest series. He was named one of Variety's "10 Screenwriters to Watch" in 2008 and the script was on the Blacklist that same year.