This pocket guide explains the content and the practical use of ISO 21500 - Guidance on project management, the latest international standard for project management, and the first of a family of ISO standards for project, portfolio and program management. <br/><br/>ISO 21500 is meant for senior managers and project sponsors to better understand project management and to properly support projects, for project managers and their team members to have a reference for comparing their projects to others and it can be used as a basis for the development of national standards.<br/><br/>This pocket guide provides a quick introduction as well as a structured overview of this guidance and deals with the key issues within project management:<br/><br/>• Roles and responsibilities<br/><br/>• Balancing the project constraints<br/><br/>• Competencies of project personnel<br/><br/>All ISO 21500 subject groups (themes) are explained: Integration, Stakeholder, Scope, Resource, Time, Cost, Risk, Quality, Procurement and Communication.<br/><br/>A separate chapter explains the comparison between, ISO 21500 and PMBOK® Guide PRINCE2, Agile, Lean, Six Sigma and other methods, practices and models.<br/><br/>Finally, it provides a high level description of how ISO 21500 can be applied in practice using a generic project life cycle.<br/><br/>Proper application of this new globally accepted project management guideline will support organizations and individuals in growing their project management maturity consistently to a professional level.