This publication provides guidance on the principles, practices and techniques of portfolio management so that you can confidently adapt them to your circumstances. This guide is relevant to all project portfolios, whether they are managed ata the corporate/enterprise, functional, business unit, or thematic level and whether they are in the public or private sector. Included is what portfolio management is and what it seeks to achieve, the principles and key success characteristics that underpin the efficient and effective operation of portfolio management, how and when to adopt, how to determine an appropriate portfolio structure, how to prioritize initiatives, how to manage and monitor the portfolio and how to determine the best governance framework.