Assessing executives differently in comparison with defined requirements and deriving reliable statement as to their suitability or a valid prognosis of future success is not just a profession, but a vocation for some. And one or the other is better suited for this profession than the one or the other (but that applies to every profession).
We now know very well what distinguishes good from less good management diagnostics. However, this steadily increasing knowledge is still used too rarely, perhaps even less.
aestimamus is highly interested in and aims to apply scientific knowledge and progress as well as own experience for the respective project success.
At this point, for the interested layman but also for the expert community one can find some from our perspective informative surveys and videos. There is some time required for dealing with them, but it is worth the time to invest:
(Sorry, not everything available in english)