The degree to which organizational productivity can be attributed to employee performance is a perennial subject for debate. Many organizations consider employee performance the major determinant of organizational success and consequently reflect this consideration in their value systems and organizational structure. While performance appraisal systems are found in all kinds of organizations, it is in organizations that recognize the relationship between employee performance and organizational performance that such systems are given first priority in both construction and ongoing support. The book therefore wishes to determine the effect of performance appraisal on staff development. It is evident from the book that the appraisal system provides management with the basis for key decisions such as those relating to allocation of duties, responsibilities, promotions, training and other development needs of staff members. The outcome of this book is expected to benefit the private sector employees of the various companies, the academia and finally the Kenyan government policy makers in issues affecting policy development in her quest to industrialize by the year 2030.