| Year | April | September |
|---|---|---|
| 2025 | Chris Abraham John | |
| 2024 | Tyler Cameron Bond | Yueci Li |
| 2023 | Ting Hui Khor | No award |
| 2022 | Jack Andrew Fox | Ong Ding Cong |
| 2021 | Anshul Garg | Chew Hou Ng |
| 2020 | Akshay Goyal | Badri Narayan Iyengar |
| 2019 | Naomi Venables | Louise Alexandra Adams |
| 2018 | Shumei Yu | Zhan Liang Chan |
| 2017 | Elze Colyn | Siddarth Narayanan |
| 2016 | Yunru Shao | Justine Odhiambo Otieno |
| 2015 | Deirdre McDermott | William H White |
| 2014 | Alice Kaye | Mark Lee |
| 2013 | Annemi Wolmarans | Jinn Jiau Spenser Chen |
| 2012 | Lingbo Wu | Takaomi Kobori |
| 2010 | Timothy Boomer | Colm Kelly |
| 2009 | Robert Andrew Spaul | Jacques Adriaan Burger Le Roux |
| 2008 | Ryan Neil Prozesky, | Niluki Chandima Rodrigo |