Data corresponding to a study made with 224 low and high level leaders (142 men and 84 women) resident appear in Buenos Aires, which worked in small, medium and big companies which had as primary target to determine the influence that exerts the values of the leader on their leadership style. It was observed that the self transcendence and openness to change values predicted transformational leadership style whereas the self promotion values predicted the transactional leadership style. There was no interaction between conservation values and transactional leadership style.