1966-1968: MR. NDERITU

1968-1969: MS. ANN WALSH

1970-1972: MR.JAMES THUO

1972-1974: MR. cORTHUO

1974-1982: MR. JOSHUA KIARIE

1982-1989: MR. LAWRENCE MUKIBII

1989-1994: MR. GEORGE MARANGA

1994-1998: MR. JOHN MACHARIA

1998-2004: MR. BASIL LABOKA

2004-2007: MR. FRANCIS MWANGI

2007-DATE: MR. FREDRICK MBUTHIA