This document discusses project portfolio management. It defines portfolio, program, and project management and their differences. Specifically, portfolio management focuses on doing the right projects to achieve strategic goals, while project management focuses on doing individual projects right. The document outlines common challenges with portfolio management like poor prioritization and lack of governance. It then presents a portfolio management process model involving principles, definition cycles, and delivery cycles to help address these challenges. Finally, it discusses implementing an enterprise-wide portfolio management process and the services a consulting firm can provide to help organizations assess, define, modify, and transition to an improved portfolio management process.