News Former Disney exec and author Dave Hollis’ cause of death revealed in autopsy April 25, 2023April 26, 2023 Morgan Hines and Elise Brisco, USA TODAY Comments Off on Former Disney exec and author Dave Hollis’ cause of death revealed in autopsy Former Disney executive Dave Hollis' death has been ruled an accident. A toxic mix of cocaine, ethanol and fentanyl was the cause, an autopsy said.