The research conducted aims to analyze the influence of leadership style and organizational culture partially or simultaneously on the performance of teachers and employees of SMK Negeri 4 Pontianak City. The population of this study were all teachers and staff at SMK Negeri 4 Pontianak City, totaling 53 people, while the sample taken was 30 teachers at SMK Negeri 4 Pontianak City. The results of the analysis through multiple linear regression show that the calculated F value > F Table value, namely 8.528 > 3.316 and it can be concluded that the Ho hypothesis is rejected and Ha is accepted. Thus, it can be interpreted that Performance (Y) is influenced jointly by the variables Leadership Style (X1) and Organizational Culture (X2). Partially, the calculated t value of the Leadership Style variable (X1), is 2.192 and t Table is 2.052 so that t Table is smaller than the calculated t and it can be concluded that in this study Leadership Style (X1) is partially a factor that has a significant influence on Performance (Y). Partially, the calculated t value of the Organizational Culture variable (X2) is 2.640 and t Table is 2.052 so that t Table is smaller than the calculated t and it can be concluded that in this study, Organizational Culture (X2) is partially a factor that has a significant influence on Performance (Y).

Millennials in the workplace are a "trendy" issue in academic and media studies. They are portrayed as vulnerable, intolerant, dependent, and high maintenance. It is a challenge for a leader, and leadership style has an important role in overcoming performance effectiveness and strengthening Commitment to the organization. This study aimed to determine the Importance of Leadership on Employee Performance in the Millennial Generation: Organizational Commitment as a Mediator Variable. Data were presented and analyzed using quantitative methods. Data collection was carried out by distributing questionnaires to 250 Millennials who worked in private companies in the West Kalimantan area. The results of the research based on calculations using SEM AMOS 26 showed that there was an influence of leadership style on Employee Performance. The results also indicated that Organizational Commitment mediated the relationship between leadership style and Employee performance in the Millennial Generation.