This research explores the role of construction managers in construction sites and how their underperformance can lead to disputes between clients and contractors. It discusses the importance of project managers in the construction industry, their qualities, and the poor practices that can cause conflicts. The research also highlights the key responsibilities of project managers, such as communication, empowerment, influencing, problem-solving, conflict resolution, planning, and goal setting. Additionally, it examines the critical success factors for construction projects and the impact of project management on project success. The research methodology involves a qualitative approach, combining theoretical studies and analytical methods.