Walt Disney Studios 1938-1941: Animator 1938-1941 (Pinocchio, Fantasia, Dumbo. - MGM: Animator on Tom & Jerry 1942. - Warner Bros.: Animator 1942 (Bugs Bunny). - Columbia: Director and animator 1942-1949 (Color Rhapsodies, The Fox and the Crow, Li'l Abner, Phantasy Cartoons). - Leader of his own studio 1946-1965 (TV commercials). - Hanna-Barbera Story director 1966-1981 (Penelope Pitstop, The Cattanooga Cats, Motormouse and Autocat, The Harlem Globetrotters, Josie and the Pussycats, Scooby-Doo, Super Friends, Popeye, Dinky Dog, The Kwicky Koala Show).

Editorial Art Syndicate/Sangor Shop: Scripts for various publishers 1940s (e.g. The Fox and the Crow 1945-1948). - Script for the newspaper strip Capt. Knot 1968-1969 (artist unknown). - Disney Studios: Scripts for foreign-market comic-book stories 1970s (Mickey Mouse, Goofy).

Left the Disney Studios after the big strike in 1941. - Drawing teacher at Chouinard Art School. -https://coa.inducks.org/creator.php?c=HSw&redirected=1