Dr. Tsai is a professor and head of the department of dermatology at National Taiwan University Hospital. He founded the Taiwanese Association for Psoriasis and Skin Immunology (TAPSI) in 2019, the first academic association for physicians and scientists with a special interest in psoriasis. Dr. Tsai served as the editor-in-chief of Dermatolgica Sinica, an SCI journal, from 2000 – 2007 and has published extensively on various aspects of dermatology, with a total of more than 380 peer-reviewed articles. He has also conducted many global clinical trials, mainly in psoriasis and psoriatic arthritis, for nearly 20 years.