Information technology portfolio management is a powerful tool for value creation, cost reduction, and achieving other goals. This book describes in practical, business terms how to successfully plan and implement IT portfolio management. It is unique in that it brings together in one place all of the important pieces and shows how they fit together. It explains the concepts that executives and others need to understand so they will support the steps required to take full advantage of this tool. While many organizations have already implemented some form of IT portfolio management, IT research organizations find that the great majority is far from achieving the benefits available to them. This book shows how to achieve those benefits, including improved alignment, agility, innovation, risk management, and return on IT spending.