This document summarizes several modern management theories, including:
1. The system approach which views an organization as an interconnected system of subsystems.
2. The quantitative approach which aims to quantify and model variables in management decision making.
3. Total quality management which focuses on continual improvement of quality and reduction of costs.
4. The learning organization approach which emphasizes knowledge sharing and management to gain competitive advantage.
5. Several team building theories including Belbin's team roles, Myers-Briggs types, and Tuckman's stages of group development.