This report evaluates the significance of organizational design theory in relation to organizational structure and strategy fulfillment, using Marks & Spencer (M&S) as a case study. It analyzes various approaches and techniques used by organizations for attracting, maintaining, developing, and rewarding human resources to cultivate a skilled and dedicated workforce. The report also explores emerging HR developments through contemporary knowledge and examines how organizational design adapts to change management. Motivational theories, including content and process theories such as McClelland's Theory of Needs and Goal Setting Theory, are discussed in the context of maintaining a motivated workforce. The report concludes with recommendations for enhancing HR practices within organizations.