A project to adapt the 1981 Andrew Lloyd Webber musical Cats was in the making, but was abandoned with the studio's closure.
He started his filming career at Amblimation studios and worked on We're Back! A Dinosaur's Story and Balto.
Wells later became a member of Amblimation, a studio owned by Steven Spielberg, where he served as director on films such as An American Tail: Fievel Goes West, We're Back! A Dinosaur's Story and Balto.