This document provides an overview of IT project management offices (PMOs), including common PMO models, functions, success factors, and implementation strategies. It introduces the CobiT project management capability maturity model (PM CMM) as a framework for establishing and evolving PMO project management functions. Key points discussed include common PMO models, considerations for PMO charters, culture change, staffing, performance metrics, and critical success factors. Maturity levels of the CobiT PM CMM are outlined ranging from non-existent to optimized processes.