Former Principal
- 1st PrincipalAngelo MARGIARIA
- 2nd PrincipalKen TAKARADA
- 3rd PrincipalGaston DUMEEZ
- 4th PrincipalJohann DALKMANN
- 5th PrincipalJozef FIGURA
- 6th & 7th PrincipalGiovanni PETRACCO
- 8th PrincipalClodoveo TASSINARI
- 9th PrincipalNicolo TASSAN
- 10th PrincipalNicodem PISARSKI
- 11th PrincipalFrans HENDRICKX
- 12th PrincipalTsugio TANAKA
- 13th PrincipalKatsusige SUZUKI
- 14th PrincipalTomohiro KOJIMA