Ha! This is the opposite of my hypothesis that I blogged about a few days ago: Founder-CEO's outperform non-founder CEO's.
https://medium.com/nick-tommarello/my-strategy-for-investing...
https://medium.com/nick-tommarello/my-strategy-for-investing...
If you wanted to do an interesting followup, repeat this authors analysis but compare results between founder CEOs and non-founder CEOs!