Artificial Intelligence (AI) is transforming business operations across various industries, requiring professionals to develop new competencies. This study explores AI applications in business through case studies, identifying key competencies essential for AI project teams. The research highlights the interdisciplinary nature of AI projects, emphasizing the need for both technical and soft skills, including communication, leadership, and adaptability. Using a case study methodology, the study examines real-world AI implementations, revealing competency gaps among business professionals. The findings suggest that structured training programs and interdisciplinary collaboration are crucial for successful AI integration. Additionally, the study underscores the importance of AI governance, ethical considerations, and compliance with regulatory frameworks. The results contribute to the development of competency models for AI project teams.