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Our Staff

 

        

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Dr Heng Bee Hoon
MBBS, MSc (Public Health), FAMS
Senior Director
 
Dr Heng has been the director of HSOR since its establishment in 2005.
 
Tel: 6496 6939

                        
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Dr Gary Ang Yee
MBBS, MPH, Dip (Family Med), GDMH, DIP (Family Practice Dermatology) 
Associate Consultant (Public Health)

Dr Ang Yee Gary is a public health physician and family physician with an interest in epidemiologic research on Type 2 diabetes mellitus and complications such as lower extremity amputations and diabetic kidney disease and healthcare financing. He was recently awarded the Top 20 projects in National HealthTech Challenge 2018 and has both published and reviewed numerous publications.                   

 

Email: gary_ang@nhg.com.sg
Tel: 6496 6928 



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Eric Chua Siang Seng
BSc (Hons), (Business Management)
Senior Executive

Eric has worked on a variety of corporate events including the Annual Healthcare Humanity Awards, Senior Management Meetings as well as Board Retreats. Prior to joining NHG, he was an experienced Project Management and Marketing Specialist in Multinational Corporations for more than 7 years. 

Email: Eric_SS_Chua@nhg.com.sg

Tel: 6496 6923

 

 

                             

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Ge Lixia
BMed (Nursing), MSc (Physiology)
Research Analyst

Lixia is currently involved in population health evaluation and quality of care projects. She has been involved in research teams spanning various industries such as healthcare, education and sports science. Prior to joining NHG, she conducted various clinical oncology research at National University of Singapore. Her research interests include community health, nutrition, clinical research and epidemiology.
 
Email: Lixia_GE@nhg.com.sg
Tel: 6340 6949
            

 

 

                             

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Dr Joseph Antonio D Molina
MD, MSc (Public Health)
Principal Research Analyst

Joseph is a medical doctor with graduate training in epidemiology and public health. He has been involved in training activities, evaluation of health programs and services, as well as health technology assessments. He concurrently has a teaching appointment at the NTU Lee Kong Chian School of Medicine. Prior to joining NHG, he was Assistant Professor of Preventive Medicine and was a member of the medical staff executive committee of St Luke’s Medical Center in the Philippines.

 
                    

 

 

                             

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Li Ruijie
MSc (Occupational Therapy)
Senior Research Analyst

Ruijie worked as an occupational therapist prior to joining NHG as a research analyst. He has experience working in both the acute and community healthcare settings in Singapore. Ruijie obtained his Masters in Hong Kong and has since worked on numerous research projects aimed at documenting and improving healthcare related outcomes both in Hong Kong and locally. His research interests include assessing psychometric properties of instruments and using various quantitative and qualitative methods in analysis and interpretation of the data collected in studies.
 
Email: Ruijie_Li@nhg.com.sg
Tel: 6496 6944
 
 

 

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Dr Meng Fanwen
MSc (Operations Research), PhD (Operations Research)
Operations Research Specialist

Fanwen completed his PhD programme in operations research at the NUS. Prior to joining NHG, he worked in NUS and the University of Southampton in UK. His recent research interests extend to capacity planning, resource allocation and scheduling in hospital, logistics in healthcare delivery system and dynamic treatment regimes.

 
Email: Fanwen_MENG@nhg.com.sg
Tel: 6496 6909
 
 

 

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Dr Michelle Jessica Pereira
PhD, MPhty, BPhty (Hons I)
Senior Research Analyst

Michelle has a PhD in applied health economics.  She is also a qualified physiotherapist, with postgraduate training (sports physiotherapy), who has practiced in a variety of settings in both Singapore and Australia. Her current portfolio at NHG-HSOR focusses on economic evaluations of health interventions in medical specialties of orthopaedics, geriatrics, allied and mental health, and palliative care.

 
 
 

 

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Palvannan Kannapiran
BEng (Mechanical Engineering), MEng (Industrial & Systems Engineering)
Operations Research Specialist

Palvannan has developed decision models to improve understanding and support healthcare decision making. Starting from operations analysis and capacity planning, he has moved to MRSA disease modeling and population health analysis using databases. He has previously worked in the defense sector, developing optimization models for resource allocation.
 
Email: palvannan_kannapiran@nhg.com.sg
Tel: 6496 6946
 
 

 


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Palvinder Kaur
BSc (Biomedical Science), MPH
Research Analyst

Palvinder Kaur graduated from NUS Saw Swee Hock School of Public Health with a Masters in Public Health. She is currently working on health programme/service evaluation. Prior to joining NHG, she was with the Infectious Disease Research Laboratory, CDC TTSH doing HIV-1 Research.
 
Email: palvinder_kaur@nhg.com.sg
Tel: 6496 6933
 
 

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Christina Chieh Pann Pei
BSc (Biotechnology)
Executive
 

Prior to her employment in NHG-HSOR, Christina worked and experience both as an Executive (Operations) and Research Assistant in various community healthcare related projects in Tan Tock Seng Hospital.

 

 

                              
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Dr Pradeep Paul George Gunapal
BSMS, MSc (Epidemiology), PhD
Principal Research Analyst

Pradeep has many years of experience in epidemiologic research. Prior to joining NHG, he worked with the Clinical Trials & Epidemiology Research Unit (CTERU). Pradeep was also a faculty member of the Singapore branch of the Australasian Cochrane Centre, and was actively involved in the teaching and research activities of the Cochrane branch. His research interests include ophthalmic and chronic disease epidemiology, systematic reviews and meta-analysis, health outcomes research, pharmacoepidemiology, and public health informatics.
 
 
 

 

     
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Reuben Ong Rong Ji
BA Psychology (Magna Cum Laude)
Research Assistant

Prior to his employment at NHG-HSOR, Reuben was working on psychology-business research as a research assistant at Nanyang Technological University. His current research interests lies in the field of clinical neuropsychology and includes neurodegenerative diseases like Alzheimer’s and dementia, traumatic brain injury and their impact on behavioral outcomes.
 
Email: reuben_rj_ong@nhg.com.sg
Tel: 6340 2425
 
 

    

       
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Dr Sun Yan
MSc (Data Mining), PhD (Medical Informatics)
Medical Informatics and Biostatistics Specialist

Dr Sun Yan has worked as a Principal Investigator on several projects related to patient risk stratification, medical decision support, Markov modeling of disease progression, and outcomes evaluation using large observational databases. Her current research interests include predictive modeling, causal inference in health services research, and micro-simulation modeling for population health management. Prior to joining NHG, she worked at the A*STAR Bioinformatics Institute.
 
Email: yan_sun@nhg.com.sg
Tel: 6496 6931
 
 

         

                          
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Jasmine Tan Hwee Ling

Jasmine is an executive assistant for HSOR. Prior to joining NHG, Jasmine was an experienced Finance Specialist in multinational corporation for more than 15 years.
 
Email: Hwee_Ling_TAN@nhg.com.sg
Tel: 6340 2423
 
 

   

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Dr Tan Woan Shin
BSocSc (Hons) (Econs), MSocSc (Econs), PhD (HSR)
Principal Research Analyst

Woan Shin's research focuses on the application of mixed methods in the design and evaluation of health services innovations with a special interest in the provision and financing of integrated care for geriatric and end-of-life populations. She was awarded the Health Manpower Development Programme (HMDP) fellowship in 2008 and the National Medical Research Council (NMRC) research training fellowship in 2015. Her work has been published in academic journals such as PLOS Medicine, BMC Medicine, Palliative Medicine and the Journal of American Geriatrics Society. She has held grants and commissioned projects totalling $5.7 million either as lead or co-investigator. Woan Shin also teaches at NUS and NTU as an invited lecturer within the field of Health Services Research.

 
Email: woan_shin_tan@nhg.com.sg
Tel: 6496 6945
 
 

 

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Teow Kiok Liang
BEng (Electrical Engineering), MSc (Industrial & Systems Engineering)
Operations Research Specialist

Kiok Liang has completed projects on the optimisation of hospital work processes for both outpatient and inpatient settings, and projections of national healthcare demands. He is on part time secondment to Ministry of Health. Prior to joining NHG, he was with the Defence Science & Technology Agency (DSTA). Kiok Liang’s key research interests include operations research, data mining, and health services planning.
 
Email: kiok_liang_teow@nhg.com.sg
Tel: 6496 6932
 
           

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Dr Yap Chun Wei
BSc (Pharm) (Hons), PhD
Principal Research Analyst (Data Science)

Chun Wei has worked as a principal investigator on many clinical informatics projects, particularly in the areas of oncology and chronic kidney disease. He has experience with the development of clinical decision support tools to aid in the individualization of therapy. His current research interest is in predictive analytics. Prior to joining NHG, Chun Wei worked as an Assistant Professor in Department of Pharmacy, National University of Singapore.
 
Email: Chun_Wei_YAP@nhg.com.sg
Tel: 6496 6643
 
 

 

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Dr Yip Wan Fen
PhD (Ophthalmology), BSc (Hons) in Optometry
Research Analyst

WanFen is a clinically trained-optometrist (allied health) with PhD training in ophthalmology and ocular epidemiology (National University of Singapore). Her research focus are in ophthalmology, epidemiology, chronic systemic diseases (hypertension, diabetes), and related target organ damage and mortality. Her notable publications include 1) Joint Effect of Early Microvascular Damage in Eye & Kidney on Risk of Cardiovascular Events, 2) Retinal microvascular abnormalities and risk of renal failure in Asian populations, 3) Emerging trends in diabetic retinopathy epidemiology. In her current role, she is involved in the designing and planning of health services research studies.
 
Email: Wan_Fen_YIP@nhg.com.sg
Tel: 6496 6940

                         
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Dr Zhu Zhecheng
MSc (Information Engineering), PhD (Industrial & System Engineering)
Operations Research Specialist

Zhecheng holds a PhD in Industrial & Systems Engineering from NUS. His research area is applied optimisation and discrete event simulation. He has project experience in patient flow simulation, appointment scheduling, workload projection and data visualization, etc.
 
Email: zhecheng_zhu@nhg.com.sg
Tel: 6496 6624
 

 

 

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A/Prof Ding Yew Yoong
MBBS, FRCP, FAMS, MPH, PhD
Visiting Consultant

 
Dr Ding is a senior consultant at the Department of Geriatric Medicine and Institute for Geriatrics & Active Ageing (IGA), Tan Tock Seng Hospital, as well as Deputy Executive Director of the MOH Geriatric Education & Research Institute (GERI).  He is also Clinical Associate Professor at Yong Loo Lin School of Medicine, National University of Singapore, and Adjunct Associate Professor at Lee Kong Chian School of Medicine, Nanyang Technological University. He obtained training in public health and social research methods at University of Queensland and London School of Economics. He also completed health services research fellowships at Bedford Veterans Affairs (VA) Center for Health Quality Outcomes & Economic Research in Massachusetts, USA, and Institute of Clinical Evaluative Sciences in Toronto, Canada. His substantive research interests include models of geriatric care, frailty, and geriatric syndromes, while his methodological focus is on quantitative methods, program evaluation, and implementation science.