Jianhong Xu joined Duke Kunshan University on December 4, 2023 as Research Fellow in Global Health, reporting to Prof. Chenkai Wu. His main job responsibilities are data management and analysis using STATA, R, or Python for research projects, and provide assistance to other research work including but not limited to statistical section of grant proposals, literature review, manuscript writing, and conference presentation. In addition, he will coordinate fieldwork and primary data collection, grant management and other admin duties.

He received his Bachelor’s degree in Economics from University of Nottingham Ningbo China in July 2022, and Master’s degree in Health Economics and Decision Science from University College London in December 2023. His research interests lie in the area of burden of disease, risk prediction related to climate change and applied econometrics. Previously, he interned at the Global Health Research Center, Duke Kunshan University in Health Policy and System Research.

Lei Guo is currently a Research Fellow in Health Policy and Systems at the Global Health Research Center, Duke Kunshan University, and a Senior Research Fellow at the Innovation Lab for Vaccine Delivery Research. He reports to Professor Shenglan Tang, Co-Director of the Center. His research focuses on vaccination service research, evaluation of public health interventions, and performance improvement in health systems. He leads a study on the cost and optimization of vaccination service delivery in Kunshan, contributes to evaluations of newborn screening programs for congenital heart disease and hearing impairment, and provides technical and managerial support to the Innovation Lab for Vaccine Delivery. He also participates in research projects on non-NIP (non-National Immunization Program) vaccines in China and supports work related to China’s achievement of health-related Sustainable Development Goals.

Previously, Lei worked with the World Bank, the Bill & Melinda Gates Foundation, and the Duke Global Health Institute in various research and consultancy roles. He contributed to studies on tuberculosis control, COVID-19 response, and health financing systems, and provided technical support on data analysis for pandemic response evaluations in the Gulf Cooperation Council countries. He has coordinated and supported collaborative projects with institutions such as the China National Health Development Research Center and Fudan University, and has supervised undergraduate students, graduate students, and interns in research.

Lei holds a Master of Science in Global Health from Duke University and a Bachelor of Science in Biomedical English from Peking University. His research has been published in international journals including PLOS Medicine, The Lancet Public Health, and BMJ Global Health. He has also contributed to multiple health policy reports, book chapters, and policy briefs. His research interests include immunization service delivery systems, health resource allocation, public health strategy analysis, and data-driven policy development.

Tianhui Ke joined Duke Kunshan University on January 2, 2024 as Research Fellow in Health Systems and Policy, reporting to Prof. Qian Long. She works on global health projects including literature review, research project development, fieldwork and quality control, data management and analysis, project report drafting, and other related tasks.

She received her Bachelor’s degree in Health Management and Communication from Nanjing University of Chinese Medicine in June 2019, and Master’s degree in Public Health from University of Melbourne in July 2021.

Previously, she worked at the Burnet Institute in Melbourne as a Research Assistant for two years. During the time she worked in Burnet, she has collaborated with a wide range of research partners to facilitate successful project implementation and also gained experience in participant engagement, survey building, data management and analysis.

Yanqin Zhang joined Duke Kunshan University on December 1, 2023 as Research Fellow at the Global Health Research Center, reporting to Prof. Qian Long. She works on global health projects including literature review, research project development, data management and analysis, project report drafting, and other related tasks.

She received her Bachelor’s degree in Management from Nanjing University of Chinese Medicine in June 2019, and Master’s degree in Public Health from University of Melbourne in July 2021. Previously, she worked at Burnet Institute in Melbourne as Research Assistant.

Yanxin Wang joined Duke Kunshan University on January 15, 2024 as Research Fellow in Global Health, in Global Health Research Center, reporting to Prof. Chenkai Wu.

She received her Bachelor’s degree in Mathematics from the University of California, Irvine in June 2020, and Master’s degree in Biostatistics from Duke University in May 2023.

Previously, she worked at Duke University in Durham, North Carolina from May 2022 to July 2022 as a research assistant. And she also worked at University of California, Irvine, California from July 2020 to February 2021 as research assistant.

Yizhou Ma joined Duke Kunshan University on August 1, 2024, as a research fellow in the Global Health Research Center, reporting to Professor Lijing Yan. Her main job responsibilities are the multimorbidity program management in Kunshan, including research development, project management, fieldwork and quality control, data cleaning, management, and analyses, and drafting project reports, data analysis and statistical model building, and also providing assistance to other research work. She will also contribute to capacity building (training and teaching) activities within and outside of the Global Health Research Center.

She received her Bachelor’s degree in Institutions and Governance/Economics from Duke Kunshan University in May 2022, and her Master’s degree in Health Management and Policy from the University of Michigan—Ann Arbor in May 2024.

Ziqi Liu joined Duke Kunshan University on April 1, 2025, as Research Fellow in Health Policy and System, reporting to Research Assistant Professor in Global Health, Prof. Xinyu Zhang. In this role, she works on a Gates-funded project on vaccine delivery in China and other health policy and system projects. Her main responsibilities include analyzing datasets, developing grant proposals, writing manuscripts under the guidance of the supervisor, and supporting student workers and interns’ research mentorship.

She received her Bachelor’s degree in Food Quality and Safety with a minor in English from Shandong Agricultural University in June 2023 and her Master of Science in Global Health from Duke University in May 2025.