For an individual to develop self-improvement, he or she must have a clear goal. on the other hand, personal development is considered as a potential behavior resulting from experience, which implies that personal development cannot be observed directly, it can only be inferred through behavior (Hulse et al. 1980 ). Managers must learn new skills to improve. their work performance and relationships among workers; In order to be an effective manager we must continue to learn new things, this helps one adapt to challenges that may arise in the workplace (Brine,