Human abilities are the primary factors that define the path of the corporation's improvement; these capabilities can be improved via training, experience, education, and innovation. Therefore, the current study delves into the impact of different leadership styles on marketing effectiveness and corporate financial performance through the role of corporate social responsibility as a mediator by utilizing a Partial Least Squares Structural Equation Modeling (PLS-SEM) to research 100 managers in 2023 in Jordanian banking sectors. The result of this study has shown a significant and positive relationship between leadership styles, marketing effectiveness, and financial performance. Furthermore, social responsibility, which is the mediator of the study, shows a significant role in the connection between leadership styles and marketing effectiveness as well as financial performance in banks. Minutely, this study found that transformational style promotes an innovation culture and inspires employees in the banking sector, in other words, this style of leadership emphasizes corporate social responsibility programs that support the bank and society's objectives.