This document discusses project management offices (PMOs), including what they are, their current status, success stories, and how to build an effective PMO. It defines PMOs as organizational entities that provide centralized management of projects. The document reviews common PMO functions like monitoring project performance, developing competencies and methodologies, and strategic management. It provides data on the prevalence of different PMO functions and characteristics like staff size. Examples are given of successful PMOs at companies like Huawei and Siemens that improved project management practices. Overall, the document provides an overview of PMOs, how they are structured and what factors contribute to effective PMOs.