上海充通大学 材料科学与工程学院 School of Materials Science and Engineering.SJTU 1896 1920 1987 2006 Nine Team Roles Need to be present in every (successful)team √ Primary Role Secondary Role No good or bad roles Anyone can assume any role Everyone has one or two preferred roles ..and one or two least favorite 工程学导论-李军（材料B楼308）1896 1920 1987 2006 工程学导论-李军（材料B楼308） Nine Team Roles  Need to be present in every (successful) team  Primary Role  Secondary Role  No good or bad roles  Anyone can assume any role Everyone has one or two preferred roles ... and one or two least favorite