As 2023 gets under way, newly reinstalled Disney CEO Bob Iger is navigating his proverbial “first 100 days” for the second time — although this time he’s limited to a two-year term. Starbucks will soon welcome a new CEO taking the reins from founder Howard Schultz, who’s on his fourth attempt at succession. These are the most recent vivid reminders that not only are succession setbacks common, but also that transitions from “iconic” CEOs are often the riskiest.