The purpose of this study was to use the theory of Blake and Mouton’s leadership Grid to measure seminarians’ behaviors in when they served at parishes. The objectives were (1) to determine the leadership styles the seminarians applied during serving at parish; (2) to examine relationship between seminarians’ leadership styles and their demographic profile; (3) to compare the difference in Team leadership styles among age groups, diocese groups, educational attainment groups, and work experience groups. The research method using in ...