1972 – 1976 Dr. Peter Zemroch
1976 – 1978 Dr. Peter Jupp
1976 – 1983 Dr. Robert Edwards
1980 – 1983 Dr. Roger Marshall
1983 – 1986 Dr. Alan Watkins
1985 – 1994 Dr. Tim Hainsworth
1986 – 1989 Dr. Nigel Smeeton
1989 – 1991 Dr. Nawal Ghali
1989 – 1990 Mr. Safa’a Sadiq
1990 – 1998 Dr. Alistair Walder
1992 – 1994 Dr. Sophia Rabe
1993 – 1993 Dr. Merrilee Hurn
1994 – 1994 Dr. Lisa Walder
1995 – 1995 Dr. John Little
1995 – 1997 Dr. Delman Lee
1995 – 1996 Dr. Druti Shah
1995 – 1996 Dr. Janet West
1996 – 1998 Dr. Kevin de Souza
1996 – 1996 Dr. Richard Morris
1997 – 1998 Dr. Marta Fidrich
1998 – 1999 Dr. Richard Morris
2000 – 2001 Dr. Kevin de Souza
2002 – 2002 Dr. Alistair Walder
2004 – 2007 Chaoshui
John Martin
Dr. Alistair Walder
2006 Dr. Vysaul Nyirongo