Bay Leaf Raitt is an American digital modeler and animator. He has worked for Image Comics, providing computer-image modeling for Steve Oliff to use with "Spawn", "The Pitt", and "The Maxx". He later worked at Protozoa, providing 3D animation computer effects. In 1999 Raitt emigrated to New Zealand to work for Weta Digital. In that post he was responsible for creating the computer-generated face for Gollum in The Lord of the Rings film trilogy. In video games, he is a modeler, animator, and level designer for the videogame Squeezils.
Raitt and his colleagues, Richard Baneham, Eric Saindon, and Ken McGaugh, won the Visual Effects Society Award for Best Character Animation in a Live Action Motion Picture for their work on The Lord of the Rings.
He worked for Valve Software until he departed on February 13, 2013. He is credited in Half-Life 2, Half-Life 2 Episode 1, Team Fortress 2, Day of Defeat: Source and Portal.
He is the nephew of singer-songwriter Bonnie Raitt and grandson of musical theater actor John Raitt.