This document provides an overview of key concepts in systems thinking and change management. It discusses how systems thinking views organizations as wholes made up of interacting parts that self-organize over time. The document also summarizes several models and tools for evaluating organizations, such as SWOT analysis, experience curve analysis, and product portfolio analysis. Finally, it contrasts the traditional industrial age approach of rigid structures and task orientation with the new economy's emphasis on knowledge, innovation, creativity and customization.