Acceptable ones aren’t too rare, that is, ones that don’t have negative productivity – depending on the industry and company politics, in some places it’s BS all the way down. Good ones are rare and stellar ones are unicorns as it’s a dual mastery thing: You have to be good at both the technical aspects, as well as the people aspect, and neither of those two can be mere talent, it needs to be talent and education. Judging by Alice Cecile, being a systems ecologist is the right overall qualification.