The main objective of this study was the moderating effect of employee commitment between organizational culture and performance in case of dashen bank in chiro cluster. The research was a descriptive and explanatory design type, quantitative research approach, probability and nonprobability sampling techniques have been employed for this study. Primary data has been collected through a well-organized questionnaire for this study. The collected data was analyzed using descriptive and exploratory research design. Form the total population in dashen bank, all branches in ciro town was targeted as a sample. Accordingly, the researcher was stuingy the the moderating effect of employee commitment between organizational culture and performance in case of dashen bank in chiro cluster. Organization culture like clan, market, adhocracy and hierarchy ae fundamental challenging problems faced by the Dashen Bank concerning, lack consistency and lack of understanding and clarity in the mission and strategic directions of the bank as a result, studying organizational culture based on Denison’s cultural model dimensions (involvement, consistency, adaptability and mission) and its effect on employee commitment (Affective, Continuance and Normative Commitment). analysis result shows there is significant relationship between the independent variables (clan, adhocracy, hierarchy) and the dependent variable (employee performance Depending on the study's analysis and findings, the researcher was suggested some recommendations to improve the effectiveness of organization culture on organization performance through employee commitment in the case of the Dashen Bank, all branches in ciro cluster, Ethiopia