Bachelor Thesis from the year 2018 in the subject Business economics - Business Management, Corporate Governance, grade: 16, , course: BBA, language: English, abstract: Leadership is a procedure of directing the conduct of different people towards the achievement of some objective and has dependably been thought to be a proposition of an association's prosperity. These days it is more vital than any other time in recent memory because of mind-blowing potential outcomes of upgraded correspondence advancements and augmenting global business. The focal thought of leadership is to work with individuals. Being in an organization, the leadership along with the organizational citizenship behavior always continued to stay at the top in the field of different organizational conduct exploration for ages. Furthermore, it has accomplished significant deliberation of intellectuals and researchers who practice to describe comprehensive leadership dynamics along with their sway on the behavior of the followers at the work place. The deliberate manners of the Organizational citizenship perk up the overall managerial efficacy; in addition to the fact that it goes further than the prescribed contractual obligations regarding profession. The main aim of this study is to investigate the connection between transformational and transactional leadership and organizational citizenship behavior in the organizational setup in Pakistan. The current study scrutinizes the undeviating and circuitous sway of the transformational and transactional leadership in the course of discovering the mediating part of knowledge sharing. For this purpose, the model was examined by utilizing the questionnaire that was filled by different participants selected on a random basis. The results collected from the 150 responses pointed towards the affiliation among the transformational and transactional leadership and Organizational Citizenship Behavior, which is statistically noteworthy where the knowledge sharing played an imperative part as a moderator. The outcomes support and add to the beneficial outcomes of a transformational and transactional initiative style interconnected with additional part conduct at work making it more important. The discoveries make a noteworthy commitment to the authority and hierarchical conduct writing and suggest that associations should execute hones that assistance in improving the level of authoritative citizenship conduct in associations.