Koo Kien Keat
Hoon Thien How and Tan Boon Heong were the World Junior Champions in 2004. Their partnership continued until early 2006 when they won the silver medal at the 2006 Asian Badminton Championships. Shortly after, Tan was partnered with Koo Kien Keat and Hoon was briefly partnered with Chan Chong Ming and then, Ong Soon Hock.