This report focuses on the development of individuals, teams, and organizations, examining the roles and responsibilities of HR professionals, the importance of employee knowledge, skills, and behaviors. It analyzes factors crucial for implementing inclusive learning and development to drive sustainable business performance, and how high-performance working (HPW) contributes to employee engagement and competitive advantage. The report also evaluates performance management, collaborative working, and effective communication in fostering a high-performance culture. The report includes a personal skills audit and professional development plan, and explores the differences between organizational and individual learning, training, and development. The report uses Tesco as a case study to illustrate these concepts. Recommendations are provided to enhance employee development and organizational performance.