The functions of the University system in any society aside teaching is development of new knowledge, research and community services. These cannot be accomplished without proper human resource development. Building solid academic staff programmes influence the realization of the university mission statement. However, human resource development refers to employee development programmes put in place to improve value of employee after joining the organization. It includes education, training and development, which involves giving employee experience to improve learning geared towards proper preparation for job performance. In spite of the importance of development of human resource,academic staff of Nigerian universities especially Kaduna State University(KASU) are not adequately productive due to inadequate staff development which also reflects on the quality of graduates turned out of this university who can hardly write memo or communicate effectively and meaningfully. The objectives of this study were to; determine the effect of academic staff development on quality of graduates of KASU; examine the effect of academic staff development on quality of research in KASU and to ascertain the effect of academic staff development on provision of community services in KASU. literature on the concepts of human resource development, academic staff development, and staff performance were reviewed and the Human Capital Theory by Gray Becker, 1964 was adopted as the theoretical framework for this study. The study adopted survey research design, primary data was collected using questionnaire and simple linear regression analysis was used to test hypotheses. The hypotheses tested indicated; academic staff development has a positive significant (.664) effect on quality of graduates in KASU, academic staff development has positive significant (.733) effect on quality of research in KASU and lastly, academic staff development has a positive significant (.616) effect on community services. The study concluded that academic staff development, improves the performance of academic staff in terms of quality of graduates, quality of research output and community services. Hence, it was recommended that universities especially KASU should ensure regular conduct of academic staff development programmes for capacity building of lecturers for improved teaching and learning in universities.