Ian Ang-mid-shot

Assistant Professor (Practice); Co-Director of HIPER

Tel (65) 6516 4987

ANG Ian Yi Han

I am currently Assistant Professor at Saw Swee Hock School of Public Health, National University of Singapore (NUS). I am also the Co-Director of the school’s Center for Health Intervention and Policy Evaluation Research (HIPER), overseeing the evaluation of various newly developed hospital interventions and community-based social service initiatives. My research focuses on evaluating community-based health interventions, healthcare services, and telehealth programmes, and how these initiatives can improve patient experience and population health. I am also interested in exploring how the built environment can help communities improve their health, particularly through changes in nutrition, physical activity, and lifestyle behaviours.

Affiliation

  • NUS Saw Swee Hock School of Public Health

Research Areas

  • Programme Evaluation
  • Population Health
  • Health Services Research
  • Health Behaviors
  • Dietary Behaviors

Teaching Areas

  • Population Health
  • Programme Design
  • Programme Evaluation
  • Social Determinants of Health

Academic/Professional Qualifications

  • Ph.D. in Behavioral Nutrition (2017), Columbia University, NY, USA
  • M.A. in Psychology in Education [Clinical track] (2011), Columbia University, NY, USA
  • B.Sc. in Neural Science & Psychology [Honors] (2009), New York University, NY, USA

Career History

  • Senior Research Fellow, Saw Swee Hock School of Public Health, National University of Singapore, Singapore. 2019-2021.
  • Senior Research Fellow, Regional Health System Office, National University Health System, Singapore. 2017-2019.
  • Lecturer, Teachers College, Columbia University, NY, USA. 2016.
  • Doctoral Research Staff, Laurie M. Tisch Center for Food, Education & Policy, Columbia University, NY, USA. 2014-2016.
  • Project Manager/Senior Counselor, New York Obesity Nutrition Research Center, NY, USA. 2010-2014.

Administrative Leadership

  • Co-Director, Center for Health Intervention and Policy Evaluation Research (HIPER), Saw Swee Hock School of Public Health, National University of Singapore, Singapore
  • Specialisation Lead (Population Health) for Master of Public Health (MPH) Programme, Saw Swee Hock School of Public Health, National University of Singapore, Singapore
  • Chair of Department Ethics Review Committee (DERC), Saw Swee Hock School of Public Health, National University of Singapore, Singapore

Selected Publications

  • Ali, S. H., Low, K. M. Y., Chan, C. M. J., & Ang, I. Y. H. (2025). Applying network analysis to disaggregate family and peer influence on diet and health: findings from an online household network survey. Public Health Nutrition, 28(1), e183. https://doi.org/10.1017/S136898002510133X
  • Wang, Y., Har, C. E., Tan, S. H. X., Cheng, H. S., Ang, I. Y. H. (2025). Preferences for Non-Pharmaceutical Interventions During the Endemic Phase of COVID-19: A Discrete Choice Experiment. JMIR Public Health and Surveillance, 11, e67725. https://doi.org/10.2196/67725
  • Low, S. Y., Ko, S. Q., & Ang, I. Y. H. (2025). Healthcare Providers’ Experiences and Perceptions with Telehealth Tools in a Hospital-at-Home Programme: Mixed Methods Study. JMIR Human Factors, 12(1), e56860. https://doi.org/10.2196/56860
  • Ang, I. Y. H., Rahman, N., Wong, S. H., Ng, S. H. X., Tan, K. X. Q., Eh, K. X., … & Toh, S. A. (2025). Development and validation of the Health Segment Classification of Population Encompassed within Singapore (HealthSCOPES) framework. PloS One, 20(1), e0317016. https://doi.org/10.1371/journal.pone.0317016
  • Choe, R., Ang, I. Y. H., Cheng, H. S., Jacob, J. E., & Ko, S. Q. (2024). Knowledge, attitudes, and perceptions of residents towards Hospital-at-Home (HaH) and its role in residency training. BMC Medical Education, 24(1), 953. https://doi.org/10.1186/s12909-024-05946-6
  • Poskute, A. S., Ang, I. Y. H., Rahman, N., & Geliebter, A. (2024). Effects of discounting fruits, vegetables, and non-caloric beverages in NYC supermarkets on purchasing, intake, and weight. Obesity, 32(7). https://doi.org/10.1002/oby.24058
  • Ang, I. Y. H., Wang, Y., Tyagi, S., Koh, G. C. H., & Cook. A. R. (2023). Preferences and Willingness-to-Pay for A Blood Pressure Telemonitoring Program Using A Discrete Choice Experiment. npj Digital Medicine, 6(176). https://doi.org/10.1038/s41746-023-00919-3
  • Magkos, F., Lee, M. H., Lim, M., Cook, A. R., Chhay, V., Loh, T. P., Chia, K. S., Baig, S., Ang, I. Y. H., Tay, J. Y., Khoo, C. M., Halter, J. B., & Toh, S. A. (2022). Dynamic assessment of insulin secretion and insulin resistance in Asians with prediabetes. Metabolism, 154957. https://doi.org/10.1016/j.metabol.2021.154957
  • Koch, P. A., Wolf, R. L., Trent, R. J., Ang, I. Y. H., Dallefeld, M., Tipton, E., Gray, H. L., Guerra, L., & Di Noia, J. (2021). Wellness in the Schools: A Lunch Intervention Increases Fruit and Vegetable Consumption. Nutrients, 13(9), 3085. https://doi.org/10.3390/nu13093085
  • Ang, I. Y. H., Tan, K. X. Q., Tan, C., Tan, C. H., Kwek, J. W. M., Tay, J., & Toh, S. A. (2021). A Personalized Mobile Health Program for Type 2 Diabetes During the COVID-19 Pandemic: Single-Group Pre–Post Study. JMIR Diabetes, 6(3), e25820. http://dx.doi.org/10.2196/25820
  • Foo, C. D., Tan, Y. L., Shrestha, P., Eh, K. X., Ang, I. Y. H., Nurjono, M., Toh, S. -A., & Shiraz, F. (2020). Exploring the dimensions of patient experience for community-based care programmes in a multi-ethnic Asian context. PloS One, 15(11), e0242610. http://doi.org/10.1371/journal.pone.0242610
  • Pang, J., Wang, M. X., Ang, I. Y. H., Tan, S. H. X., Lewis, R. F., Chen, J. I., Gutierrez, R. A., Gwee, S. X. Q., Chua, P. E. Y., Yang, Q., Ng, X. Y., Yap, R. K. S., Tan, H. Y., Teo, Y. Y., Tan, C. C., Cook, A. R., Yap, J. C., Hsu, L. Y. (2020). Potential rapid diagnostics, vaccine and therapeutics for 2019 novel coronavirus (2019-nCoV): A systematic review. Journal of Clinical Medicine, 9(3), 623. http://doi.org/10.3390/jcm9030623
  • Ang, I. Y. H., Ng, S. H. X., Rahman, N., Nurjono, M., Tham, T. Y., Toh, S. -A., & Wee, H. L. (2019). A right-site care programme with a community-based family medicine clinic in Singapore: secondary data analysis of its impact on mortality and healthcare utilisation. BMJ Open, 9, e030718. http://doi.org/10.1136/bmjopen-2019-030718
  • Ang, I. Y. H., Tan, C. S., Nurjono, M., Tan, X. Q., Koh, G. C. H., Vrijhoef, H. J. M., Tan, S., Ng, S. E., & Toh, S. -A. (2019). A retrospective evaluation of healthcare utilization of two post-discharge care programmes in Singapore. BMJ Open, 9(5), e027220. https://doi.org/10.1136/bmjopen-2018-027220
  • Ang, I. Y. H., Wolf, R., Koch, P., Gray, H. L., Trent, R., Tipton, E., & Contento, I. (2018). School Lunch Environmental Factors Impacting Fruit and Vegetable Consumption. Journal of Nutrition Education and Behavior, 51(1), 68-79. https://doi.org/10.1016/j.jneb.2018.08.012

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