Robert Thomas Letterman (born October 31, 1970) is an American film director and screenwriter. He made his directorial debut as co-director of the animated comedy film Shark Tale(2004), for which he received a nomination for the Annie Award for Writing in a Feature Production. He co-directed the animated science fiction comedy  Monsters vs. Aliens (2009).

Letterman has since transitioned into live-action filmmaking, directing the fantasy comedy film Gulliver's Travels (2010), the horror comedy film Goosebumps (2015), and the fantasy mystery film Pokémon Detective Pikachu (2019). Letterman was born in Hawaii and attended Mid-Pacific Institute and USC. Before joining DreamWorks Animation, Letterman directed the short film Los Gringos, which was accepted at 2000's Sundance Film Festival. In 2002, Vicky Jenson and Eric "Bibo" Bergeron invited him as a screenwriter (then as co-director) in the making of Shark Tale. In 2010, Letterman directed the live-action film Gulliver's Travels, starring Jack Black in the lead role. He also directed the live-action/CGI film Pokémon Detective Pikachu, based on the Pokémon videogame franchise. The film was released on May 10, 2019. It grossed $433 million at the box office. It attained the highest percentage of positive reviews on Rotten Tomatoes for a film adaptation of a video game at the time. In 2020, Netflix announced Letterman as director for an upcoming live-action animated film adaptation of Ubisoft's Beyond Good & Evil video game. Since then, no further updates have been given for the film since the announcement. Letterman is in a relationship with Beth Pontrelli and has two children, Jack and Eva. Description above from the Wikipedia article Rob Letterman, licensed under CC-BY-SA, full list of contributors on Wikipedia.