Davis joined Walt Disney Imagineering in 1961 and remained there until his retirement in 1978. He developed story and character concepts for numerous attractions including the New York World's Fair shows; "Country Bear Jamboree", "Haunted Mansion", "Great Moments with Mr. Lincoln", "Jungle Cruise" "Nature's Wonderland", "The Enchanted Tiki Room", "Pirates of the Caribbean" and "America Sings".