Before returning to her alma mater, NUS, in April of 1995, Chan was a pharmacist of the public hospitals, community pharmacy, and the Pharmaceutical Department of Singapore's Ministry of Health. She completed her MBA (as a part-time student) at NUS in 1988 and PhD at Queen's University of Belfast, UK in 1991. Chan last served as the Pharmacy Manager in charge of all pharmacy services at the Tan Tock Seng Hospital (1200-bed tertiary hospital, https://www.ttsh.com.sg/Pages/default.aspx) from 1992-1995.
As the Associate Professor and Head of the NUS Department of Pharmacy from 2005-12, her contributions included initiating and overseeing the development and expansion of the existing BSc (Pharmacy) & Ph.D. by research as well as new pharmacy programs, namely post-BS PharmD, MSc (Pharmaceutical Science & Technology), Minor in Pharmaceutical Science programs, NUS Academy of GxP Excellence (NUSAGE), AAPS-NUS Student Chapter, Interprofessional Education (https://pubmed.ncbi.nlm.nih.gov/23496122/), Community Health Angels Mentoring Programme (CHAMP https://news.nus.edu.sg/champs-for-health/), Pre-Employment Clinical Training (PECT) and Biobiz with the support of the local and overseas academics, social workers and health practitioners, biomedical industry, the Economic Development Board of Singapore, Ministry of Health and our alumni. She also served as the assistant dean (Budget & Operations), Faculty of Science (2003-5), a member of Senate Delegacy (2004-5, 2013-7), Institutional Laboratory Safety Committee (2008-16) and Board of Student Discipline (2014-7) at NUS.