This assignment provides a comprehensive overview of the relationship between leadership styles and performance, drawing from numerous academic sources. It highlights the importance of transformational leadership in improving job performance, knowledge sharing, and firm performance. The study also emphasizes the significance of functional leadership in enhancing team effectiveness. Additionally, it touches on the impact of authentic leadership on positive psychological capital and relational processes. Overall, this assignment offers a thorough analysis of the leadership-performance nexus, providing valuable insights for leaders and organizations seeking to optimize their performance.