People

STOP research team Social media based Trailblazer Optimizing Population health

  • Hyeonkyeong Lee

    • Position Principal Investigator
    • E-mail livinglabyonsei@gmail.com
    • Tel 02-2228-3221

    Dr. Hyeonkyeong Lee is Dean and Professor at Yonsei University School of Nursing, where her primary research interests include population health and global health. After earning her bachelor's and master's degrees from Yonsei University School of Nursing, she completed her doctorate at the University of Illinois Chicago. With a focus on multicultural populations, social determinants of health (SDOH), and participatory research, Dr. Lee has led numerous international collaborations to develop culturally relevant, community-based behavior change interventions. She works to reduce inequities and improve health outcomes by examining health disparities in diverse communities and designing programs targeting at-risk populations. Throughout her career, she has maintained strong partnerships with universities abroad to promote cross-cultural knowledge exchange and evidence-based practice. She has also practiced nursing leadership for global sustainable health goals through numerous projects to advance nursing education in underdeveloped countries and improve health systems in resource-limited populations. As a dedicated mentor and scholar, she continues to innovate in the field of nursing education, empowering the next generation of nurses to advance the field of nursing nationally and globally.

  • Jisu Lee

    • Position Postdoctoral researcher
    • E-mail livinglabyonsei@gmail.com
    • Tel 02-2228-3365

    Jisu Lee, PhD, RN, is a postdoctoral researcher specializing in digital health interventions and population health. She earned her BSN and MSN from CHA University of Nursing and completed her PhD at Yonsei University College of Nursing, where she investigated habitual caffeine consumption in emerging adulthood through a mixed-methods approach. Her research focuses on the social determinants of health (SDOH) and behavior change techniques (BCTs), particularly among populations with high health vulnerabilities. She has developed digital health interventions to improve dietary habits in adolescents and is expanding her work to include racial and ethnic groups as well as young adults. Jisu’s passion for community health began during her four years as an emergency room nurse at Samsung Medical Center, where she witnessed firsthand the impact of socio-environmental factors on health outcomes. She is dedicated to leveraging digital technology to reduce health disparities, developing interventions tailored to different digital literacy levels, and promoting health equity by empowering vulnerable populations to engage in sustainable health behaviors. In her free time, she enjoys running, choreographing dance routines, and going on road trips during holidays.

  • Sun Young Shim

    • Position Postdoctoral researcher
    • E-mail livinglabyonsei@gmail.com
    • Tel 02-2228-3365

    Dr. Sun Young Shim is a postdoctoral researcher specializing in nursing and public health. After completing her undergraduate studies in nursing, she began her career at the Pediatric Center of Samsung Medical Center. She earned a Master of Public Health (MPH) degree in epidemiology from the Yonsei University School of Public Health and a Ph.D. from the Yonsei University College of Nursing. Dr. Shim’s research interests focus on promoting health equity among vulnerable populations. She has conducted research on the social determinants of health, health behaviors, cardiovascular health outcomes, and associated risk factors. Her work includes investigations into cardiovascular health disparities, dietary intake patterns, ultra-processed food consumption, and smoking media literacy. As a postdoctoral researcher, Dr. Shim continues to explore strategies to reduce health disparities and improve population health outcomes, particularly in developing countries and health-vulnerable communities in South Korea.

  • Hyemi Sun

    • Position PhD student, Research assistant
    • E-mail livinglabyonsei@gmail.com
    • Tel 02-2228-3365

    Hyemi Sun is a PhD student and full-time research assistant at the College of Nursing, Yonsei University. She began her career after earning a bachelor’s degree from the Korea Armed Forces Nursing Academy and later obtained a master’s degree in early childhood education from Hankuk University of Foreign Studies. With nine years of clinical experience as a nursing officer in diverse settings—including the operating room, medical-surgical units, emergency department, intensive care unit, and psychiatric ward—she developed a broad clinical perspective. Additionally, her seven years of service as a daycare center school nurse and a city hall occupational nurse afforded her extensive community and public health experience. Hyemi’s research integrates global nursing, digital health, and social determinants of health (SDOH) to address sedentary behavior. She develops technology-driven interventions that help people manage daily health habits and investigates how occupational factors contribute to sedentary lifestyles, ultimately aiming to support healthier work environments.

  • Chaehyeon Kang

    • Position PhD student, Research assistant
    • E-mail livinglabyonsei@gmail.com
    • Tel 02-2228-3365

    Chaehyeon Kang, MSN, BSN, RN is a PhD student and full-time research assistant at the College of Nursing, Yonsei University. She earned both her bachelor's and master's degrees from Yonsei University and began her nursing career in the psychiatric unit at Severance Hospital, which deepened her interest in mental health nursing. She also worked as a teaching assistant at Yonsei University (community health nursing) for nearly two years, where she gained insight into the expanding role of nurses in community-based health care. Her research focuses on how individuals respond to everyday stressors, including societal and environmental changes such as the climate crisis, and how these factors influence mental health outcomes. She aims to develop strategies that promote psychological resilience and sustainable mental health care in an increasingly complex and unpredictable world.

  • Zainab Auwalu Ibrahim

    • Position MPH, RN
    • E-mail livinglabyonsei@gmail.com
    • Tel (82)2-2228-3365

    Zainab Auwalu Ibrahim is a PhD student and Research Assistant at the College of Nursing, Yonsei University. She holds a Diploma in Nursing from the School of Nursing, Kano State; a Bachelor’s degree in Nursing from Ahmadu Bello University; and a Master’s degree in Public Health from Yonsei University, South Korea. With over ten years of clinical experience in infectious diseases, maternal health, and pediatric care, she also serves as a staff member at the Federal Ministry of Health, Abuja. Her research focuses on health promotion, self-care among young adults, and the strengthening of primary health care systems. She is particularly interested in the factors that influence self-care practices for chronic conditions such as type 2 diabetes. Her goal is to develop digital health-based self-care strategies for young adults, integrate social determinants of health, and design evidence-based interventions that will empower young adults to actively manage their health, especially in resource-limited settings.

  • Sohee Hong

    • Position Master's Student, Research assistant
    • E-mail livinglabyonsei@gmail.com
    • Tel 02-2228-3368

    Sohee Hong, RN, is a master’s student and full-time researcher at Yonsei University College of Nursing. She earned dual bachelor’s degrees in Social Welfare and Healthcare Management from Gachon University (2020) and later completed her BSN at Yonsei University (2024). Since 2021, she has built extensive research experience as a student and post-baccalaureate research assistant, contributing to studies in nursing and public health. She also served as the Nursing Coordinator in the Uzbekistan Faculty Training and Research Capacity-Building Program, where she supported international collaboration, faculty training, and project coordination. Her current research focuses on the health behaviors of socially withdrawn youth, with an emphasis on understanding how social isolation shapes well-being. She is particularly interested in applying data visualization to uncover and communicate complex health behavior patterns, aiming to bridge research and practice.

  • Euijin Lee

    • Position Undergraduate student
    • E-mail livinglabyonsei@gmail.com
    • Tel (82)2-2228-3365

    Euijin Lee is an undergraduate student at Yonsei University College of Nursing and currently serves as a research assistant under Professor Hyeonkyeong Lee. She developed an interest in community and public health nursing during her sophomore year, when she proposed an idea for a one-stop health service model for migrant workers in Korea as part of a campus competition. Following this experience, she became increasingly interested in the Sustainable Development Goals (SDGs) and various community-based nursing services. Her current focus is on customized care services for older adults and home visiting nursing.

  • Heewon Nam

    • Position Undergraduate student
    • E-mail livinglabyonsei@gmail.com
    • Tel (82)2-2228-3365

    Heewon Nam is an undergraduate student at Yonsei University College of Nursing and is currently working as an undergraduate research assistant under Professor Hyunkyung Lee. After attending the 2025 ICN (International Council of Nurses) Congress, she has explored various fields of nursing and was reminded of the importance of nursing research. This experience led her to develop an interest in the role of nursing in relation to climate change and in community health nursing.