states that “promotion opportunities lead to different effects on job satisfaction because of differences in remuneration as given”. According Nitisemito (2000: 81) promotion is the “process of moving employees from one position to another position in a higher”. Thus, the promotion will always be followed by the duties, responsibilities, and authority higher than the position previously occupied. Through the promotion, the company will gain stability and moral karyawanpun to be more secure. While Robbins (2001:150) states that the promotion will provide an opportunity for personal growth, more responsibility, and increased social status. When promotions are made in a fair manner are expected to provide satisfaction to employees.
Luthans (1998:145) argues that the task of supervision can not be separated with the function of leadership, which affect the business activities of subordinates through a process of communication to achieve specific objectives set out the organization. According to Hasibuan (2001:169), leadership is defined by a manager in an organization can create a harmonious integration and encourages employees’ passion for achieving maximum objectives. Therefore the activities of employees in the company depends on the leadership style that is applied as well as the environmental situation in the companies they work for. The need for guidance, attention and motivation of the leaders expected to spur employees to do their job well, as proposed by Hasibuan (2001:170) that leadership style is essentially aims to promote morale, job satisfaction, and employee productivity is high, so can achieve maximum organization