The aim of this book is to explore the contribution HR can make to how organizations enact change within the context of an environment of accelerating and increasing complexity driven by global forces for change. In particular the book focuses on the role of HR in creating value for the organization and engaging its stakeholders during transformations. This aim is achieved in several distinct ways. First, a critical perspective is provided of the role of HR in organizational change by examining evidence-based theories, models and frameworks. Second, the book is grounded in empirical evidence from a study conducted by the authors amongst managers and HR professionals across the globe. This provides unique data on the challenges and opportunities which the practice of HR faces within the context of organizational change. Third, consideration is given as to how HR can play an active and constructive role in co-creating sustainable change with managers, employees and other stakeholders. Fourth, the book identifies the capabilities required by HR professionals in order to engage effectively with organizational change. Finally, aware of the dangers of prescriptive lists, the HR practices offered in this book are provided as a basis for amendment, as necessary, by readers depending upon the context of individual organizations. The book will be of value to practicing HR professionals as well as students studying HRM, and change and development in organizations. Our proposal in this book is that since people are of significant importance to the success of change, and HR knowledge and expertise is vital to the experience and engagement of individuals and teams, internal and external to the organization, there needs to be clarity about the role of HR in transformations. We suggest that HR’s raison d’etre is to focus on the people aspect of organizational change and that this needs to be done within the context of improving organizational effectiveness and wellbeing.