| Radio Society Kenya | ||
| Year | Name | Call Sign |
| 2018-23 | David Mutonga | 5Z4DJ |
| 2001/17 | Ted Alleyne | 5Z4NU |
| 1997/00 | Rob Link | 5Z4RL |
| 1995/6 | Gordon Bloodworth | 5Z4FH |
| 1993/94 | L. Raburn | 5Z4DU |
| 1992 | P. Wyse | 5Z4FO |
| 1990/91 | Newman | 5Z4LH |
| 1989 | S. Dimbia | 5Z4DS |
| 1988 | L. Raburn | 5Z4DU |
| 1986/87 | P. Rune | 5Z4EJ |
| 1985 | A.G. Higby | 5Z4EG |
| 1984 | G. Morgan | 5Z4GM |
| 1982/83 | R.N. Cuthbert | 5Z4PR |
| 1980/81 | T.W. Kerr | 5Z4OC |
| 1974/79 | J.A. Deans | 5Z4NT |
| Radio Society of East Africa | ||
| 1973 | T.H. Gibson | 5Z4XIP |
| 1972 | D. Cox | 5Z4MR |
| 1971 | E. Kelsall | VQ9TED |
| 1970 | Saunders | 5Z4KL |
| 1969 | J. Kean | 5Z4KZ |
| 1967/68 | R. Munro | 5Z4HW |
| 1966 | R. Jarvis | 5Z4IR |
| 1965 | T. Hutchinson | VQ4DV |
| 1964 | F. Featherstone | VQ4RF |
| 1963 | F.W. Unstead | VQ4GF |
| 1962 | A.F. Ward | VQ4FB |
| 1961 | K.P. Bailey | VQ4KPB |
| 1960 | J.R.D. Sainsbury | VQ4HE |
| 1959 | D.T. Bradford | VQ4EV |
| 1958 | G. Watson | VQ4CH |
| 1957 | G.H. Urquhart | VQ4BP |
| 1956 | Lt. Col. D.G. Hughs | VQ4EU |
| 1955 | E.R. Robinson | VQ4ERR |
| 1954 | G.H. Urquhart | VQ4BP |
| 1953 | V. Lavender | VQ4VL |
| 1952 | J.P. Henderson | VQ4PH |
| 1951 | S.A. Pegrume | VQ4CRE |
| 1950 | G.D. Fletcher | VQ4GDF |
| 1949 | N.S. Hubbard | VQ4NSH |
| 1948 | E.R. Robinson | VQ4ERR |
| 1946/47 | S.A. Pegrume | VQ4CRE |
| 1940/45 | World War II – (Society in abeyance) | |
| 1939 | H.J. Walker, M.B.E | VQ4HJW |
| 1935/39 | A.A. White | – |
| 1933/34 | R.F. Mayer, O.B.E. | – |