Dave Hollis, a former distribution chief for Disney turned self-help author, has died age 47

In a statement, Hollis' ex-wife, bestselling author Rachel Hollis, said the family was "devastated"

Hollis' cause of death has not been determined, though he had recently been in hospital for "heart issues", a family spokesperson told US media outlets

He died peacefully on Saturday night at his home near Austin, Texas.

Please wrap the kids up in prayers as we try to navigate through the unthinkable," his ex-wife Rachel Hollis said

Hollis worked for Disney for 17 years, including seven years as the company's head of distribution

before quitting in 2018 to join his ex-wife in her work ventures.

Hollis helped oversee the relaunch of the Star Wars franchise as well as hits including Frozen and Black Panther.