In addition to ethnic, gender, and cultural diversity, there is interpersonal diversity.Chaparral Steel Company (part of Texas Industries) has a team of officers who achieved compatibility through interpersonal diversity. Successful interpersonal relationship are the basis of group effort, a key foundtion for business success. In the case of the Chaparral Steel officers, they differed in thir needs for inclusion in activities, control of people and events, and interpersonal affection from others. Though diverse in their interpersonal needs, the officers as a group found strength through balance and complementarity.