The quality of leadership is one of the most important factors in determining the success and survival of groups and organizations. The purpose of this paper is to examine the leadership needs of the project manger in the Libyan construction companies. The objective was identified the most important and crucial personal and professional needs of the project manager. This study attempted to identify the needs of the project managers in the construction industry in Libya. The finding has shown that all managers surveyed basically agreed that adherence to law/legality, specific, concise and rational, followed by intuitive and open minded are ranked as the most crucial personal needs that should be acquired to become an effective project manager in the construction industry. On the other hand, attention to details, project focus, adherence to construction industries/ professional codes, time concious / constraints, problem solving were ranked as the crucial professional needs that required the respondents.