It is generally recognized that there is diversity in the workforce of any enterprise, be it business, government, or civil society. This study therefore seeks to find out the effect of workforce diversity towards employee performance in Stallion Group of Companies. The Study adopted a descriptive and explanatory research design .The study population consisted of all staff of Stallion group Ltd. sample size of 80 respondents was selected and data collection method was applied by use of questionnaire, where by analysis of descriptive and inferential statistics of SPSS version 20.0 was adopted. The Pearson’s correlation coefficient signifies, there is a relationship between each independent variables and the dependent variable and tested at 1% significance level. It also revealed that gender; age, ethnicity and educational background are positively correlated and the strength of the relationship is small but definite relationship to employee performance. The regression analysis shows that, the R2 figure of the four independent variables is 0.211. These also mean that independent variables (gender, age, ethnicity and educational background) can explain only 21.1% of the variation in dependent variable (employee performance). However, it still leaves 78.9% unexplained in this research. In other words, there are other additional variables that are important in explaining employee performance that have not been considered in this research. It is recommended that company managements must use good strategies to effectively manage workforce diversity and collaborative research efforts should be done to ascertain the contextual variables that moderate workforce diversity to produce positive performance outcomes