In this example, a software developer’s social life (including personal and professional) is illustrated in detail. A sociogram is a diagram that depicts the relationships among people in a group. It's a visual picture of each person's social connections and preferences, which is useful information for leaders. The sociogram is a technique developed by therapists Jacob L. Moreno and Helen Hall Jennings as part of the social science discipline of sociometry, which is a quantitative approach for assessing social connections. Moreno is the inventor of the sociogram.