- Teacher: Dedy Ardinata
- Teacher: Albert M. Hutapea
- Teacher: Ramlan Silaban
- Teacher: Albert M. Hutapea
- Teacher: Thomson P Nadapdap
- Teacher: Ramlan Silaban
- Teacher: Dedy Ardinata
- Teacher: Albert M. Hutapea
- Teacher: Albert M. Hutapea
- Teacher: Ramlan Silaban
- Teacher: Erwin Handoko
- Teacher: Albert M. Hutapea
- Teacher: Erna Mutiara
- Teacher: Heru Santosa