In this book, Adi Mazen has previewed the HR body of knowledge in a very easy and creative way that will constitute a change in the way how HR professionals should build their contemporary HR departments. The four levels of HR excellence model that the book was based upon are eye-opening. It will help the reader to conceptualize the HR strategy for the new world.  This book has many benefits for the HR individuals at their mid-career: •It will help them formulate robust and aligned HR strategy. •It will help them visualize many hard-to-understand HR concepts and theories formulated into easy and applicable illustrations. •Most importantly, it builds a framework to measure the effectiveness of what HR professionals are doing in their careers.