This report provides a detailed analysis of an organizational behaviour case study involving Thames Valley Building Society. The case study highlights issues related to employee motivation, workforce diversity, and ethical behaviour within the organization. The report identifies key problems such as motivational deficiencies, interpersonal conflicts stemming from diversity, and unethical conduct among employees and management. It then explores relevant organizational behaviour theories, including Vroom's Expectancy Theory and Maslow's Need Hierarchy, to understand and address these issues. The report recommends practical solutions, such as implementing employee benefit policies, fostering growth opportunities, promoting diversity training, and establishing ethical guidelines to improve workplace dynamics and overall organizational performance. The report concludes with a summary of the key findings and recommendations, emphasizing the importance of addressing organizational behaviour challenges for sustained success.