The Effect of Board Size on Firm Performance with Age Diversity as Moderation Variables

This research aims to analyze the influence of board size against firm performance with age diversity as a moderating variable in manufacturing sector companies listed on the Indonesia Stock Exchange in the 2019 - 2023 period. The data processed in this research uses a software application Eviews version 12. The analytical method used in this research is the descriptive analysis method and multiple linear regression analysis. The research results show that board size does not affect firm performance, whereas age diversity can moderate the relationship between board size and firm performance.