Feng-jen Jean Tsai is the director and a professor of the Global Health and Health Security program, Taipei Medical University. She is also an adjunct professor at the Graduate Institute of Health and Biotechnology Law at Taipei Medical University.

Her research specializations are in the fields of global health policy and law, infectious disease control, health system strengthening, trade and health, and occupational health. As a scholar trained in both law and public health, Dr. Tsai applies both quantitative and qualitative approaches to answer questions in global health. Prior to entering academia, Dr. Tsai worked as a lawyer in Taiwan.