It’s interesting that you saw KPIs as a solution to the org-chart problem, because I wrote my next several blog posts on Ribbonfarm obliquely addressing why that isn’t easy.
https://www.ribbonfarm.com/2016/06/09/goodharts-law-and-why-measurement-is-hard/
https://www.ribbonfarm.com/2016/09/29/soft-bias-of-underspecified-goals/