Kung Yan-sum

Dr. Kung Yan-sum is the younger brother of the late Nina Wang, who used to be Asia's richest woman and the chairman of Chinachem Group, one of the biggest privately held property developers in Hong Kong. He is a doctor with a private clinic in Hong Kong Garden, Tsing Lung Tau, Tsuen Wan.
Since his sister's death in 2007, he has been temporarily in charge of managing Chinachem Group and as the chairman of the Chinachem Charitable Foundation. He is representing Chinachem Group in a legal battle against Tony Chan Chun Chuen, a Feng shui master who claimed he was the sole beneficiary of Nina's fortune.