SINGAPORE - A woman, deemed by the court to be on a "quest for revenge" against a doctor, had her appeal dismissed on Wednesday (April 7). Ms Serene Tiong, who was sued for defamation by Dr Julian Ong, had sought the court's permission to sue HC Surgical Specialists (HCSS) chief executive Heah Sieu Min on behalf of HCSS for alleged breach of director's duties relating to the company buying an additional 19 per cent stake in Dr Ong's firm. The High Court dismissed her application last year after it found that she had a vendetta and lacked good faith. On Wednesday, the Court of Appeal dismissed her appeal against last year's judgment, noting that Ms Tiong was driven by revenge and has a history of conflict with Dr Ong. In 2018, Ms Tiong made a complaint against Dr Ong, alleging that he and another medical specialist had colluded to have sex with vulnerable women patients. Dr Ong sued her that year for defamation after she circulated the complaint to other doctors. The Singapore Medical Council is currently still investigating. On Sept 25, 2019, a day before HCSS' annual general meeting (AGM), Ms Tiong bought 100 shares in the company. She did so to attend the AGM and raise concerns a...