This document discusses change management. It defines change management as a structured approach to transitioning individuals, teams, and organizations from their current state to a desired future state. It outlines the key components of change management processes including organizational change management, individual change management, and models for managing change like Kurt Lewin's three-stage model of unfreezing, moving, and refreezing. Finally, it provides an overview of a general five-stage model for change management involving anticipating need for change, entering and contracting, diagnosis, implementation, and evaluation/institutionalization.