This document provides an overview of change management concepts and models. It discusses 1) the purpose of change management as survival and evolution, 2) learning as an individual process that leads to enduring behavioral changes, and 3) how clear communication and support are important when implementing changes that affect individuals. Additionally, it summarizes models of the change process including Lewin's three-stage model of unfreezing, changing, and refreezing, as well as Kotter's eight-step method for leading change. The document also addresses organizational culture, stakeholder engagement, communication strategies, and assessing change readiness.