Daniel Gideon Mazer is a British director, screenwriter, producer, and comedian. He is best known as the long-time writing and production partner of comedian Sacha Baron Cohen and worked with him on his three unorthodox characters Ali G, Borat, and Brüno. He also co-wrote and co-produced the films based on Baron Cohen's characters such as Ali G Indahouse, Borat, and Brüno.

I Give It a Year is a 2013 romantic comedy film, written and directed by Dan Mazer in his directorial debut. It stars Rose Byrne, Rafe Spall, Anna Faris and Simon Baker. Set and filmed in London, it was released on 8 February 2013.