Vasti S. Viana is married to Elder Jose Viana, South American Division Ministerial Association's Associate. She is the coordinator of the South American Division Ministerial Association's Shepherdess. She participates in the area of pus toeing by participating in church activities and training. Vasti holds a piano degree. She encourages her children, Ricardo and Joyce, and her piano pupils to participate in church music and congregation singing, which is a source of spiritual energy.