Every year, for realizing the goals of five-year state civil development plan, a great part of state credits and financial resources are spent for investment in national projects, whilst most of national projects are performed with considerable delay. Essential objectives of applying this research is design and explanaion of national projects managers' competencies model, focusing on risk that inlcudes identification, converging, survey of influencing and impressibility and prioritization of

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... ional projects managers' competencies and selecting the best competent national project manager, as well as identification, converging, survey of influencing and impressibility, prioritization, allocation and response to national projects risk. Upon applying this research, eighteen conceptual models and eleven detailed models of top managers' (deputy minister), middle managers' (state regional director general), and operational managers' (head of provincial district) competencies in national projects, focusing on risk related to project principles (employer, contractor and consultant engineers) are designed, developed and simulated appropriately aiding five computer-mathematical models with crisp and fuzzy approaches and provided to the utilizers or developers of model. In this paper, we only refer to the results of technical-executive experts' opinions converging model in relation to national projects managers' competencies, risks rating and presentation of suggestions based on results.