Whereas many researches have been done for study worker participation, relationship between workers, antecedents and outcomes and effect of worker representation on persons and organizations, but a little research have been done to study the effect of development-centered work councils on job satisfaction and vitality. Thus is aim of this research survey the effect of dedelopment-centered work councils on job satisfaction and vitality in staff. Research is quasiexperimental design with control group. The research samples consisted of 30 workers who were randomly selected and have been to experiment at group (15) and control group (15). At start of research, with using 2 Questionaires Vitality and Job satisfaction between experiment and control group were examined. Data was collected with Deci & Ryan & Keshavarz Vitality Inventory, Smith Job-satisfaction Index. Data was analyzed with SPSS-15 for 7 meetings. Programs in work councils about vitality, Job satisfaction and Self-development between experiment groups were done and in the end of councils for again Vitality and Job satisfaction were examined. Result showed that there was meaningful differences between two groups in filed of Job Satisfaction and Vitality. The finding revealed that, participation in work councils was effective in increasing Job-satisfaction and Vitality was effective (p<0.01).