micromanagernoun [ C ]
uk/ˈmaɪkrəʊˌmænɪdʒər/usoften disapprovingMANAGEMENT, HR, WORKPLACE a manager who wants to control every part of a situation, project, etc. in a way that may not be necessary or may not give enough responsibility to other employees:
It is difficult to deal with the micromanager who supervises an employee's work in great detail and then subjects it to unnecessary criticism.