Sseruwagi Sinclaire Sebastian is a composer, visual effects artist, editor, and occasional animator who has worked across several areas of film and television production. He has contributed music to a range of projects, including work on The Conjuring franchise, where he provided additional scoring and ambient textures for select scenes.

Although uncredited, he assisted composer Patrick Doyle on Disney’s live-action Cinderella (2015), helping with arrangement and background instrumentation. Sinclaire also worked in animation, contributing to Pixar’s Inside Out as an assistant animator and effects artist. At Walt Disney Animation Studios, he took on similar tasks in Encanto, as well as providing support in The Bad Guys and Strange World, focusing on animation detail and post-production effects.

In music, he worked on background scoring and editing for the film Pitch Perfect, particularly in mixing vocal arrangements and adding subtle instrumental layers during the film’s musical performances. He also worked on orchestration and editing for original scores on several independent and studio-backed productions, continuing to balance roles in sound, animation, and post-production across different genres.