Abstract
This research purports to measure the relationship between the professional diversity of the boards of directors and the financial performance of the Brazilian stock companies with a multiple regression model. Methodologically, this is study of a quantitative character with an explanatory scope and a transversal section; it concerns the companies listed in the Ibovespa index for the years 2017 and 2018. Likewise, these firm´s performance was measured through financial indicators, such as ROA, ROE and Profit Margin. The results reveal a diversified board of directors, but this is not statistically significant compared to the financial indicators ROA, ROE and Profit Margin for both years, that have reached a 95% confidence level. There is, however, an average of 87.4% professional diversity and 49.5% of postgraduate´s presence in the board of directors. The Engineering, Administration, Economy and Law areas predominate as important decision-making focus.
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Copyright (c) 2021 Carlos Alberto Cruzat Valenzuela, Andrea María Virginia King Domínguez, Luis Rodolfo Améstica Rivas

