Associate Professor Ng Oon Tek received his MBBS from the National University of Singapore. He completed Internal Medicine training within the Singhealth cluster and obtained his MRCP (UK) and M Med (Internal Medicine) in 2004, obtaining the Siah Cheng Siah Gold medal for being the best Internal Medicine candidate. He subsequently completed his Infectious Disease subspecialty training at Tan Tock Seng Hospital in 2008. As a recipient of the NMRC Overseas Research Fellowship, Associate Professor Ng completed a Master of Public Health degree at Johns Hopkins followed by a year-long research attachment with a US NIH funded group led by Prof Thomas Quinn from 2009 to 2011.​

Associate Professor Ng has an interest in research integrating public health, laboratory medicine and clinical medicine to improve patient outcomes. Previously, he worked with colleagues at TTSH and other institutions and developed tests for HIV patient care in TTSH and other institutions. His current research interest includes antimicrobial resistance especially carbapenem-resistance Gram-negative infections and emerging infectious diseases. He leads a genomics group in NCID using both whole-genome sequencing and metagenomic approaches to research AMR and pathogen discovery and characterization.