• BDS (1993) Sun Yat-sen University of Medical Sciences
• MSc (2003) National University of Singapore
• PhD (2008) National University of Singapore
• FRACDS(DPH) (2014) Royal Australasian College of Dental Surgeon

Discipline of Primary Dental Care & Population Oral Health

Associate Professor, NUS Faculty of Dentistry & Saw Swee Hock School of Public Health, National University of Singapore

Population Oral Health and Services Research

• Oral epidemiology
• Health disparity and social determinants
• Interventions for changing health behaviours
• Biopsychosocial modelling for predicting chronic diseases

Awards (partial list)
International Association for Dental Research (IADR) John Clarkson Fellowship (2018)
IADR William J. Gies Award for Clinical Research (2011)
IADR Division Travel Award Certificate of Merit (Senior Category) (2009)
IADR Lion Dental Research Award for Young Investigators (2007)
Research Output Prize, University of Hong Kong (As corresponding author; 2014)
Research Output Prize, University of Hong Kong (As co-author; 2023)
Best Presentation Award (staff), Faculty Annual Scientific Meeting, Faculty of Dentistry, University of Hong Kong (2016)
Faculty Knowledge Exchange Award, University of Hong Kong (2014; 2012; 2011)

Award won by students supervised
IADR Salivary Research Award (2016)
IADR Southeast Asian Division Best Paper Award in Behavioural Science and Health Service Research (2011)
South East Asia Association for Dental Education Preventive Programme Competition Awards (2006 & 2008)
Colgate Prize in Community Oral Health, University of Hong Kong (2015 & 2017)
Oral-B Prize in Community Oral Health, University of Hong Kong (2010, 2012, 2014 & 2019)
Dental Alumni Association Prize, University of Hong Kong (2011)
Undergraduate Research Opportunities Programme Competition Award, National University of Singapore (2007)

Editorial boards and committees
Associate Editor (2025– ) & Advisory Board (2023– ), Community Dentistry and Oral Epidemiology
Associate Editor, Trials (2022– )
Editorial Board, International Dental Journal (2020– )
Editorial Board, Clinical, Cosmetic and Investigational Dentistry (2025– )
Symposium Coordinator, Behavioral Epidemiologic and Health Services Research (BEHSR), International Association for Dental Research (IADR) (2021–2022)
Group Program Chair, Behavioral Epidemiologic and Health Services Research (BEHSR), International Association for Dental Research (IADR) (2022–2023)
Executive Committee, Behavioral Epidemiologic and Health Services Research (BEHSR), International Association for Dental Research (IADR) (2021–2023)
Award Committee Member/Chair, IADR BEHSR Group (2022–2024)
Organizer/Chair, IADR Oral Epi-Forum (2022), 8th International Conference on Methodological Issues in Oral Health Research (2018), 3-Day MITI Coding Workshop (2017), Asia-Pacific Symposium on Motivational Interviewing (2015)
Organizer and Chair, Oral Epi-Forum, Satellite Symposium, IADR General Session 2022
Co-founder (2015–present) / Scientific Officer (2015–2017) / Publication Officer (2018), Chinese Association for Motivational Interviewing
Mentor (2016–present), IADR Southeast Asian Division mentor-mentee program
Referee Panel Member for Health and Medical Research Fund (HMRF) (2013–2019), Research Secretariat, Food and Health Bureau, Hong Kong
Department Representative for NUS clinical research studies (2021– ), NUS Faculty of Dentistry
Faculty Research Policy Committee (FRPC) (2023– ), NUS Faculty of Dentistry
Search Committee (2025– ), NUS Faculty of Dentistry