This document provides an overview of effective change management. It discusses how people naturally resist change due to worries about how the change will impact them personally and professionally. It also describes how change is a process of transition that causes uncertainty and stress. The document outlines a four phase change management model to identify appropriate actions to create buy-in for change, communicate vision, mobilize resources, address resistance, implement changes, and monitor progress. It stresses the need to tightly link change management activities to project lifecycles for success.