Purpose – The primary purpose is to investigate the relationship between narcissism and managers’ overconfidence in listed companies’ risk-taking. Design/methodology/approach – In this study, two criteria of signature and reward are used to measure manager’s narcissism; manager’s overconfidence, using multiple regression models and finally to measure companies’risk-taking by using companies’ monthly returns. Multiple regression is employed to test the model using a sample of 890 firm-year participation on the Tehran Stock Exchange from 2012 to 2017 with panel data and model with fixed effects. Findings – The findings indicate that the CEO’s narcissism and the board of directors positively and significantly affect corporate risk-taking. Also, managers’ overconfidence has a positive and significant relationship with corporate risk-taking. Originality/value – The results of this study identified other factors affecting companies’ risk-taking. This study also contributed to the development of the literature on narcissism, overconfidence and corporate risk taking

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