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Director of the Oncology Medical Center and Medical Oncology Department, Chief Physician, Professor, and Doctoral Supervisor. Specializes in the diagnosis and treatment of gastrointestinal tumors, tumor chemotherapy, targeted therapy, and immunotherapy. Dr. Ba is a Tier-2 Professor, an awardee of the National Hundred, Thousand, and Ten Thousand Talents Project, a New Century Talent of the Ministry of Education, and enjoys a special government allowance from the State Council. After completing her postdoctoral research at the Scripps Research Institute in the United States in 2002, she returned to China to work in medical oncology, focusing on the basic and clinical research of digestive system tumors. She has designed, led, and participated in nearly 100 global and national multi-center clinical trials, and has led multiple National Natural Science Foundation projects and major new drug creation projects for the Ministry of Science and Technology. She has published dozens of SCI papers in authoritative international journals, with several listed as ESI highly cited papers in clinical medicine.

Dr. Bao Liu is a Professor, Chief Physician, and Doctoral/Postdoctoral Supervisor currently serving as the Deputy Director of Vascular Surgery and Branch Secretary at Peking Union Medical College Hospital. He holds an M.D. and a Ph.D. in Surgery from Peking Union Medical College. Dr. Liu specializes in the endovascular and surgical treatment of major arterial diseases, including abdominal aortic aneurysms and aortic dissections. He is also highly experienced in the endovascular and surgical treatment of carotid artery stenosis, lower limb ischemia, and diabetic foot. He has extensive international experience, having served as a visiting scholar and international fellow at prestigious institutions including Albany Medical Center, Stanford University Hospital, Leipzig University in Germany, and Queen Mary Hospital in Hong Kong. Dr. Liu is actively involved in clinical, basic, and interdisciplinary medical-engineering research, leading numerous national and provincial research projects. He serves on multiple editorial boards and professional committees, has published over 30 SCI papers, and holds multiple patents in the field of vascular surgery.

Chief Physician, Professor, and Doctoral Supervisor. Head of the Red Blood Cell Disease Group in the Department of Hematology. Dr. Han specializes in the diagnosis and treatment of hematological diseases, particularly cytopenia (including aplastic anemia, myelodysplastic syndromes, paroxysmal nocturnal hemoglobinuria, etc.), bone marrow failure syndromes, myeloproliferative neoplasms, myelofibrosis, chronic myeloid leukemia, hemolytic anemia, Gaucher's disease, multiple myeloma, various hematological malignancies, and rare blood diseases. With 30 years of clinical experience, Dr. Han currently leads multiple international and domestic multi-center clinical trials involving aplastic anemia, myelodysplastic syndromes, paroxysmal nocturnal hemoglobinuria, autoimmune hemolytic anemia, and Gaucher's disease. Dr. Han has published over 100 papers, mostly in English, including articles in top-tier journals, and serves as the editor-in-chief for several medical textbooks and guidelines.

Chief Physician, Professor, and Doctoral Supervisor at Peking Union Medical College Hospital (PUMCH). He is the Chief Expert and Academic Leader of the Vascular Surgery Department. He specializes in the endovascular treatment of abdominal aortic aneurysms, endovascular repair of aortic dissections, surgical treatment of chronic or acute lower extremity ischemia, carotid endarterectomy, endovascular treatment of carotid artery stenosis, subclavian artery stenosis, visceral artery stenosis, and the surgical treatment of various thromboembolic diseases. Dr. Liu graduated from the Medical Department of Norman Bethune University of Medical Sciences in 1984 and joined the Surgery Department of Peking Union Medical College Hospital in the same year. He has focused on vascular surgery since 1992 and visited the United States twice (in 1996 and 1998) to study vascular surgery techniques and endovascular minimally invasive treatments. Upon returning to China, he pioneered minimally invasive treatments for vascular diseases, establishing a new paradigm of endovascular minimally invasive treatment in PUMCH's vascular surgery department by combining traditional surgery with endovascular therapy. He has extensive clinical experience and solid theoretical foundations, particularly excelling in the surgical and minimally invasive treatment of abdominal aortic aneurysms, endovascular repair of acute aortic dissections, carotid endarterectomy and stenting for carotid stenosis, as well as the surgical and interventional treatment of lower extremity arteriosclerosis obliterans. He serves as the Deputy Editor-in-Chief of the American SCI journal 'Annals of Vascular Surgery', Editor-in-Chief of the Chinese 'Journal of Vascular and Endovascular Surgery', and holds editorial positions in numerous other core medical journals. As a science popularization expert for the National Health Commission and Beijing Municipal Health Commission, his authored book 'Battle for Blood Vessels' is highly popular among readers.

Chief Physician and Professor. Specializes in the diagnosis, treatment, prevention, and patient education of cardiovascular diseases (hypertension, coronary heart disease, heart failure, hypercholesterolemia), as well as the consultation and management of cardiovascular diseases accompanied by psychological disorders (such as anxiety and depression). Born in Chongqing in 1958, Dr. Ni began his clinical work in internal medicine in 1982 and obtained his Medical Doctorate (MD) in 1995. He has served successively as Chief Resident of Internal Medicine, Attending Physician, Associate Chief Physician, and Chief Physician of Cardiology at Peking Union Medical College Hospital, accumulating rich clinical experience through long-term medical practice. He also has notable accomplishments in medical education and formerly served as the Director of the Education Department at Peking Union Medical College Hospital.

Attending Physician. Dr. Chao Wu specializes in the diagnosis and treatment of various skin diseases such as psoriasis, eczema, acne, urticaria, recurrent facial dermatitis, atopic dermatitis, prurigo nodularis, palmoplantar pustulosis, hidradenitis suppurativa, and erythroderma. He is also highly experienced in cosmetic dermatology, photoelectric treatments, cosmetic injections, sensitive skin care consultations, and sexually transmitted diseases. He holds an MD and completed a clinical postdoctoral fellowship at Peking Union Medical College. He has presided over several national and hospital-level research funds and published 50 academic papers as the first author, including 20 SCI papers.