"Narcissistic CEOs have destructive tendencies that can ruin companies"
My late Dad would have enjoyed this article. One of the indicators of narcissism used in the study is "the CEO’s use of first person singular pronouns in interviews". He listened to a couple of interviews with Carly Fiorina when she was CEO of Hewlett Packard, noted her heavy use of "I," and predicted HP would suffer.
And he was right.