They are strong individual contributors who are very good at executing their initiatives —

Solo Fliers not only deliver the bacon, they cut and wrap it as well. They are self-starting, self-contained, multi-talented achievement dynamos. But when they get promoted into managerial positions, they have difficulty building and leading teams and revert either to micro-managing or trying to do the work themselves. Their teams becomes dissatisfied and eventually there’s a coup d’état.