This report delves into the critical concepts of emotional intelligence (EI) and cultural intelligence (CI) within the context of workplace diversity. It begins by defining EI as the ability to understand and manage one's own emotions, as well as influence others, and highlights its importance in fostering positive relationships and effective communication. The report then examines the lack of EI within the Commonwealth Bank of Australia (CBA), illustrating how it led to communication gaps and employee dissatisfaction. It emphasizes the importance of developing EI through managing negative emotions, creating good communication skills, and practicing empathy. Furthermore, the report explores CI as the ability to function effectively in culturally diverse environments and addresses the challenges of cultural intelligence issues within CBA. The report also provides strategies for developing CI, such as learning new cultures, fostering openness, and building self-belief. It then establishes the relationship between EI and CI, highlighting the importance of self-awareness, relationship management, and mindfulness. The report concludes by emphasizing the role of EI and CI in promoting diversity, improving communication, and fostering a more inclusive and productive workplace, ultimately contributing to corporate sustainability and individual growth.