This book explores the most effective ways to carry out HR functions such as: culture management, recruitment and selection, employee engagement and retention, training and development, reward and performance management and how they can be effectively managed to improve performance in an organisation. The conclusions made in this book was based on the responses gotten from distributing questionnaires and conducting interviews for HR professionals in top companies in London. More than 50 journals/articles were also explored to come up with the conclusions or information in this book. Conclusively, the findings showed that there is a relationship between HR and organisational performance. It also showed that effective HR strategies, Leadership and employee competences contribute greatly to organisational performance. Hence, the role of HR is to provide, guide and successfully channel these human resources to achieve organisational goals.