Abstract: This paper will attempt to define positive organizational behavior and outline the role of self-efficacy, hope, optimism and resilience in maintaining positive behavior in an organization. Recent researches and findings by famous psychologists are stated at relevant points to relate the four core-constructs to the positive organizational behavior (POB). The focus of the paper is also towards giving practical suggestions for creating a workplace that is conducive to being confident, hopeful, optimistic, resilient and promotes a sense of well-being.