In an era where organizational success increasingly hinges on effective project management, the role of the project management office (PMO) has never been more critical. Project Management Offices: A Practice Guide is a groundbreaking resource designed to bridge the gap between theoretical knowledge and practical application, while shaping the future of PMOs. Drawing from the collective wisdom of the global PMO community, this guide offers innovative and deeply rooted insights into key challenges such as demonstrating value; aligning with organizational vision, mission, and strategy; and fostering continuous improvement. It combines extensive research, practical experience, and collaborative input from hundreds of seasoned PMO practitioners and experts from around the world. By embracing the concepts and strategies presented in this guide, PMO professionals can transform their PMOs into dynamic, value-driven entities that are indispensable to their organizations' success.