The aim of this study was to identify the leadership competencies of cooperatives in Aceh, Indonesia. In particular, this objectives of this study were to identify the understanding of leadership competencies of cooperative management in Aceh, to identify cooperative leadership competencies to support the success of cooperatives in Aceh, and to develop a model of leadership needed to be successful. Data collection study was based on a modified framework of Yukl. In accordance with the goals and objectives of the study, the qualitative method of data collection through interviews, researchers’ observation and group discussions with nine relevant cooperatives in the province of Aceh were conducted. The cooperative sample composed of three successful, three medium and three less successful cooperative societies which represented the West/South, Central and East regions of Aceh Province. The study found that understanding of cooperative management on leadership competencies determines the success or failure of a cooperative. Similarly, leadership competencies of cooperatives in Aceh support and determine the success of a cooperative. The study also found that the leadership model necessary to achieve the success of cooperatives in Aceh should comprise of the understanding of the methods, the implementation process, the use of equipment, effective communication, social sensitivities, analytical skills, creativity of thought, adjustment to change, and the potential for understanding the business and local culture. Hence this study recommends that the government should integrate education and cooperative training in collaboration with educational institutions and other cooperative training to achieve success. Since the government has contributed significantly to the creation of a successful conducive environment, it should continue its role to further develop and create different rules in favor of the cooperatives. The government should continuously support the development of cooperatives by providing protection and supporting facilities to the cooperatives and its members
