The successful execution of large projects today requires more than ever a professional project management approach. Digital planning and construction, combined with Lean Management methods at the operational level, will significantly shape the future. This book describes, based on practical experience and over 45 years in project management, the essential components of the planning and construction process, as well as the tasks of the project manager, including their methods and tools. It explains how project execution can be made transparent and effective to ensure that clients achieve the best possible balance of usability, design, sustainability, and cost-effectiveness within fixed budgets and timelines. Therefore, the book is aimed at project managers, project developers, and construction professionals, as well as the responsible representatives of clients and investors who have recognized this need.