Dan Mazeau is an American screenwriter. He was born and raised in Santa Rosa, California and majored in physics at the University of California, Berkeley. He then enrolled in the MFA screenwriting program at the University of California, Los Angeles (UCLA). He is also a graduate of the Professional Program in Screenwriting at the UCLA School of Theater, Film and Television. There he wrote a family fantasy "The Land of Lost Things" and the script was set up at Nickelodeon/Paramount Pictures, with Arnold Kopelson producing. Hired by Dan Lin and Warner Bros. to adapt Jonny Quest, he was named one of Variety's "10 Screenwriters to Watch" in 2008 and the script was on the Blacklist that same year.