In Mintzberg’s seminal study of managers and their jobs, he found the majority of them clustered around three core management roles.
Interpersonal roles. Managers are required to interact with a substantial number of people in the course of a workweek. They host receptions; take clients and customers to dinner; meet with business prospects and partners; conduct hiring and performance interviews; and form alliances, friendships, and personal relationships with many others. Numerous studies have shown that such relationships are the richest source of information for managers because of their immediate and personal nature.
