He is currently the consultant and deputy director of the Hong Kong Poison Information Centre. He is an honorary visiting professor to the School of Chinese Medicine, Hong Kong Baptist University and an honorary clinical associate professor to the LKS Faculty of Medicine, Hong Kong University.DrTse is elected to be the Secretary General of APAMT since 2015 and he also serves as council members in the Hong Kong Association of Clinical Toxicology and the Hong Kong Society for Emergency Medicine and Surgery. He has published more than 50 peer-review papers relating to clinical toxicology.