Dr. Wei Liu is a professor and the chief Physician of Oncology at Peking University, Beijing, China. She is also a medical oncologist and the director of Beijing Cancer Hospital Palliative Care Centre. She has been a council member of The Chinese Anti-Cancer Association (CACA), the vice president of the Society Onco-Psychology in CACA, standing committee member of the Society, the vice president of the Society of Stomach Cancer in Chinese Geriatric Oncology Society (CGOS), and the vice president of the Society Palliative care in Chinese Geriatric Oncology (CGOS).