Gaifen Liu is a researcher and doctoral supervisor. She serves as the deputy director of Beijing office for Cerebrovascular Disease Prevention and Control. She is one of the executive members of the Beijing Stroke Association, and member of Evidence-based Medicine Committee of Chinese Medical Doctor Association. Her main research interests are cerebrovascular disease prevention and control, including stroke surveillance and clinical studies of cerebrovascular disease. Prof. Liu is responsible for several research projects funded by the Ministry of Science and Technology, China Natural Science Foundation, and Beijing Scientific Committee. She has published over 50 papers in scientific journals.