The document provides an overview of building a collaborative project management office (PMO) at an organization. It begins with defining key terms like project, program, and portfolio. It then discusses the history and evolution of PMOs from the 1920s to present day. The document outlines various PMO typologies and maturity models. It also provides a case study analysis of implementing a PMO at Regus, a large flexible office space provider. The case study describes conducting a project audit at Regus and developing a collaborative approach and objectives for the new PMO. Finally, the document discusses various project lifecycle stages and tools for strategic project portfolio management.