Jaramogi Oginga Odinga
(1964–1966)

    Josephat Karanja
(1988–1989)

    Moody Awori
(2003–2007)

    Joseph Murumbi
(1966–1967)

    George Saitoti
(1989–2002)

    Kalonzo Musyoka
(2008–2013)

    Daniel Toroitich arap Moi
(1967–1978)

    Musalia Mudavadi
(2002)

    William Samoei Ruto
(2013–2022)

    Mwai Kibaki
(1978–1988)

    Michael Wamalwa Kijana
(2002–2003)

    Rigathi Gachagua
(2022–2024)

    Prof. Kithure Kindiki
(2024–Present)