The document summarizes four models that can be used for thinking about change in systems: 1) The Wrapped Cable Model which depicts seven core elements (mission, leadership, structure, etc.) contained within a defining culture shell. 2) The Leadership Spectrum Profile which identifies leadership options based on an organization's life cycle phase. 3) Reversal Theory from psychology which focuses on how motivation and emotion change depending on whether motives are met or not. 4) The Information/Control/Buffer Portfolio operations model which consists of information, control, and buffer and guides analysis of what's needed in management systems.