IntroductionRobbins (1997) defines managers as those who supervise all activities of other people with the aim of achieving the objectives of the organization. Therefore, in order to provide organizations with the best results, modern organizations urgently need effective managers. This is simply explained by the fact that, according to Hunsaker (2001), there is increasing recognition of the importance of having managers with strong interpersonal skills rather than twenty years ago, managers were only valued only for their technical know-how. a never-ending list of skills that managers should possess to be effective, but the 4 basic skills discussed by Robbins and Decenzo in their book are conceptual skills, interpersonal skills, technical skills (Katz 1974) and political skills (Pavett , Lau 1983). These skills will be discussed later in this essay along with their importance. Based on the above research, a conclusion will be noticed at the end of the essay. Main body “There seems to be general agreement that effective managers must be effective in conceptual, interpersonal, technical and policy skills. » (Robbins and Decenzo, 2003). Conceptual skills: as Rubbins explains, "conceptual skills refer to the mental ability to analyze and diagnose a complex situation. They help managers see how things fit together and facilitate the making of good decisions. When quick decisions need to be made at any given point in production, different production managers may make good, bad, or powerless decisions. "Whenever choices exist, there is the potential for disagreement. Such differences, when managed properly, can result in richer, more effective, and more creative solutions..." (Billkopt 200... .. middle of article......enson Ltd, 1984), P91. Daniel B. Griffith, “Becoming an Effective Manager”, HR Update: Human Resources Administration, (IUPUI, 2004) Gerard M Blair , “Basic Management Skills,” IEE Engineering Management Journal. Gregorio Billikopf, Cultivating Workforce Productivity: Conflict Management Skills (California: University of California, 2003) John P. Kotter, General Managers (The Free Press, a division of Macmillan Publishing Co., Inc, 1982) Phillip L. Hunsaker, Management Skills Training (US: Prentice-Hall, 2001) Richard E. Boyatzis, The competent manager: A model for effectiveness performance (John Wiley & Sons, Inc. 1982), PP.190-191 Stephen P. Robbins and David A. Decenzo, Fundamentals of Management: Essential Concepts and Applications (United States: Pearson Prentice Hall, 2003), PP.13-14.