I managed to find his facebook account. After looking through all his work, Mr. Ong seems to be more active in chinese calligrpahy. His style of writing is contemporary, a bit messy and sloppy kind of execution, very free and sometimes characters are overlapping each other. Besides that, Mr. Ong's work are quite different from the typical Chinese calligraphy where usually smeared ink in Chinese calligraphy are not allowed to happen. However, in his work, i've seen a lot of smeared ink within the characters. It seems that Mr. Ong is trying to be 'new'. Samples of his work are as below: