Resumen
This research aims to apply different variables with previous research variables, i.e., organization behavior theory development. Testing Organizational Citizenship Behavior (OCB) variable in mediating transformational leadership and working satisfaction to improve People Credit Board?s (BPR) performance. This research is conducted to 319 BPR employers in credit section in East Java. Samples amount calculated based on Slovin?s equation therefore it acquired 76 respondents. Sampling method used simple random sampling. Data taking instrument is questionnaire which next can be used path analysis in processing data. This research result shows that there significant influence of transformational leadership and working satisfaction towards OCB and OCB mediates transformational leadership and working satisfaction towards performance. It means that OCB will increase with the increasing transformational leadership and working satisfaction. Next, OCB increased due to the increase in transformational leadership and working satisfaction that tend to improve performance.