Animator at Disney starting in 1932 or 1933 and until 1938 or 1939.Animator at Iwerks from 1933 to 1935

Animator and storyman at Fleischer from 1938 or 1939 to 1941

Storyman and director at Columbia / Screen Gems from 1945 to 1946

Director at Carry-Weston in 1946

Owner /Animator of TV Spots from 1948 to circa 1954

Animator at Warner Bros. /Schlesinger from 1951 to 1954

-Courtesy http://disneybooks.blogspot.com/2007/08/i-have-been-contacted-last-week-by.html