Josh Klausner

Josh Klausner is an American screenwriter, best known for writing Shrek Forever After for DreamWorks and Upside Mystery 3 for MGM.

Career
He started his career in the movie industry as an assistant for Dumb & Dumber in 1994. He then worked as the second unit director for Kingpin in 1996, There’s Something About Mary in 1998, Me, Myself & Irene in 2000, and Shallow Hal in 2001.

He was the screenwriter of The 4th Floor (1999), Date Night (2010), Shrek Forever After (2010), and Upside Mystery 3 (2015).