olemus
Wiktionary:
2 the executives of an organisation, especially senior executives

ülevaateid
https://www.indeed.com/career-advice/finding-a-job/management-roles

https://www.runn.io/blog/managerial-roles

https://courses.lumenlearning.com/wmopen-principlesofmanagement/chapter/types-of-managers-and-their-roles/