Dr Karen Tan is a Consultant at the Department of Laboratory Medicine, NUH. She obtained her PhD from the University of Cambridge, United Kingdom in 2007, undergraduate medical degree from the National University of Singapore in 2009, and fellowship of the Royal College of Pathologists of the United Kingdom in 2014. She has a joint appointment as Principal Scientist at the Institute for Human Development and Potential (IHDP), A*STAR, Singapore.