Tze Liang (who also goes by David) was born in Penang and started diving at the age of eight.[1] He is currently studying at University of Malaya.[2] He enjoys playing Lego and watching YouTube videos.[1]
After winning the gold medal for men's 3 meter springboard event at the 6th Asian Diving Cup, Ooi became the third diver (after Pandelela Rinong and Wendy Ng) to qualify for the 2016 Summer Olympics.[4]