Abraham Maslow theory: Maslow hierarchy of needs is a motivational theory in psychology comprising a five-tier model of human needs,often depicted ass hierarchical levels within a pyramid.From the botton of the hierarchy upwards,the needs are:physiological (food and clothing),safety(job security), loveand belonging needs (friendship) esteem,and self-actualization. Needs lower down in the hierarchy must be satisfied before individuals can attend to needs higher up.

Henry Mintzberg roles:Mintzberg publiched  his ten management roles in his book ,Mintzberg on Management: Inside our strange world of organization,in 1990.

The ten roles are :

1.Figurehead.

2.Leader.

3.Liaison.

4.Monitor.

5.Disseminator.

6.Spokesperson.

7.Entrepreneur.

8.Disturbance Handler.

9.Resource Allocator.

10.Negotiator.

Winslow taylor theory: One of the earliest of these theorists was Frederick Winslow Taylor. ... In 1909, Taylor published "The Principles of Scientific Management." In this, he proposed that by optimizing and simplifying jobs, productivity would increase. He also advanced the idea that workers and managers needed to cooperate with one another.

Henry Foyal Theory:Henry Fayol was known as the father of management and his managerial theory was based on the 4 basic functions which is the Planning, Organizing, Leading, and Controlling. According to Henry Fayol the basic function is the foundation of management and is used in all organisations.

Mc Gregor Theory:Theory X and Theory Y were first explained by McGregor in his book, "The Human Side of Enterprise," and they refer to two styles of management – authoritarian (Theory X) and participative (Theory Y). ... Managers who use this approach trust their people to take ownership of their work and do it effectively by themselves.Type