I hope his health is okay. Not a lot of reasons this kind of thing happens. Especially when he seemed to be killing it for Disney on all fronts and hadn't really groomed a replacement of any note (which reforces the idea this was unexpected).
https://apnews.com/323d2e3fa1390925934d9f896456c9ce
I wonder how or if this will affect Stern or Jersey Jack licensing in the short term...