Disney was a longtime senior executive for The Walt Disney Company, which his father Roy Oliver Disney and his uncle Walt Disney founded.
Disney devoted his early career to making nature films including "The Owl That Didn't Give A Hoot" and an Oscar-nominated short subject "Mysteries of the Deep."
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He is perhaps best known for organizing the ousting of two top Disney executives: first, Ron Miller in 1984, and then Michael Eisner in 2005 which led to the company's successful revival in animation.
Disney owned over 16 million shares or about 1% of the company and served as a consultant for the company and Director Emeritus for the Board of Directors.
Disney had been battling cancer and died Wednesday morning.