This study aims to examine the effect of charismatic leadership on tacit knowledge sharing. This research method is quantitative by using simple random sampling method on a sample of 98 employees at a Government Organization in Banten which were selected using the simple random sampling method. An online questionnaire using a Sakla 7 Likert scale was distributed through social media. The results of this study indicate that charismatic leadership has a significant direct influence on the culture of tacit knowledge sharing. This study also helps the management of Government Agencies in paying attention to the management of their human resources by implementing a model of leadership practice among educators within Government Agencies. Transformational leadership has a significant effect on knowledge sharing. This means that the transformational leadership style used by company leaders can encourage knowledge and experience sharing activities within the company, so that the benefits received can be felt for the progress of the company in general. In other words, the transformational leadership style will increase and facilitate the company's knowledge sharing activities