Dr Karen Tan is a consultant at the Department of Laboratory Medicine, NUH. Her clinical practice is in clinical laboratory molecular genetics. After receiving her undergraduate science degree with first class honours in Biochemistry from the National University of Singapore in 1997, she undertook an MBBS-PhD program on an Agency for Science, Technology and Research, Singapore National Science Scholarship in 2000 and obtained her PhD from the University of Cambridge, United Kingdom in 2007 and her undergraduate medical degree from the National University of Singapore in 2009. She trained in Chemical Pathology and obtained her membership to the Royal College of Pathologists of the United Kingdom in 2014. She is currently a research clinician at the Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research, Singapore. Her research interest is in metabolic health in human potential research.