96 страниц. 2011 год. LAP Lambert Academic Publishing This study examined the impact of corporate governance on the performance of non financial firms in Nigeria stock Exchange. This was with a view to determining the relationship between the corporate governance variables and firm performance. Data on Corporate governance variables and firm performance were collected and analysis using panel data analysis to determine the influence of corporate governance on the performance of firms in Nigeria Stock Exchange worst affected by the last financial crisis. And particularly it highlighted the contrasting behavior of non-financial firms of Nigerian Stock Exchange with or without a Cronyman.