According to Bloomberg, Bob Chapek is being viewed among "people familiar with the company" to be Bob Iger's successor once he retires in 2019. Doesn't mean that Chapek would be Iger's replacement, there are others out there too, plus there's still 19 months to decide who succeeds Iger.
Source - http://www.wdwinfo.com/news-stories...orts-bob-chapek-likely-successor-to-bob-iger/
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https://www.bloomberg.com/news/arti...f-emerges-as-strong-contender-to-succeed-iger
Source - http://www.wdwinfo.com/news-stories...orts-bob-chapek-likely-successor-to-bob-iger/
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https://www.bloomberg.com/news/arti...f-emerges-as-strong-contender-to-succeed-iger