This trophy is awarded by the committee to the person who has shown the biggest improvement in the year.
| 2025 | L Wang |
| 2024 | E Xu |
| 2023 | J Barry |
| 2022 | B Hettiarachchi |
| 2020 | A Sharma |
| 2019 | M Cramp |
| 2018 | N / A |
| 2017 | N / A |
| 2016 | N Sarmiento |
| 2015 | A Ang |
| 2014 | R Singh |
| 2013 | D Wong |
| 2012 | A Ang |
| 2011 | S Yang |
| 2010 | S Yang |
| 2009 | E Yang |
| 2008 | A Huang |
| 2007 | D M Smith |
| 2006 | D M Smith |
| 2005 | E Chen |
| 2004 | R Calder |
| 2003 | J Noa |
| 2002 | M Brimble |
| 2001 | P Godfrey |
| 2000 | C Hartigan |
| 1999 | P Godfrey R Harish |
| 1998 | L Ah-Chee |
| 1997 | P Godfrey |
| 1996 | A Macfarlane |
| 1995 | B Pollard |
| 1994 | M Gilmour J Sykes |
| 1993 | B Giacaman |
| 1992 | A Cater |
| 1991 | N Easterlow |
| 1990 | B Palmer |
| 1989 | P Portman |
| 1988 | V Smith J Robinson |
| 1987 | A Malcouronne J Robinson |
| 1986 | B Martin-Buss |
| 1985 | A Malcouronne B Martin-Buss |
| 1984 | C Walker |
| 1983 | C Walker |
| 1982 | J Robinson |
| 1981 | P Shields |
| 1980 | D Body |
| 1979 | M Brimble A Hill |
| 1978 | A Bent |
| 1977 | P Smith-West |
| 1976 | N Bridges |
| 1975 | |
| 1974 | J Henderson |
| 1973 | N Bridges |
| 1972 | |
| 1971 | R Luey |
| 1970 | |
| 1969 | R Thomason |
| 1968 | P Daly |
| 1967 | P Daly |
| 1966 | P Daly |
| 1965 | W Frey |
| 1964 | T Hollis |