Dr Sim is currently the Director of Breast Imaging in the Department of Diagnostic Radiology. He was trained under Dr Jan Hendriks and Professor Roland Holland at the National Expert and Training Centre for Breast Cancer Screening, Netherlands as well as under Professor Christiane Kuhl at the University of Bonn Medical Centre.

A Fellow of the Royal College of Radiologists (UK) and the Academy of Medicine, Singapore as well as a member of the Singapore Radiological Society, Dr Sim is also a Visiting Consultant to the National Cancer Centre, Changi General Hospital & Thomson Medical Centre. His other appointments include Clinical Lecturer at the National University of Singapore, Assistant Professor at Duke NUS Medical School and a member of the National Breast Cancer Screening Programme Workgroup on Digital Mammography.

He won the SGH Service with a Heart Award in a 2004 and 2006 and his more recent awards include a Gold Award for Scientific Poster Presentation at the 13th ASEAN Congress of Radiology 2006, a Best Scientific Poster Award for Combined Asian Breast Disease Association and Breast Screen Singapore Breast Cancer Conference 2007 and a RSNA 2008 Merit Award for Educational Exhibit.

Dr Sim’s current interest is in Breast Imaging with special interests in digital mammography with computer-aided detection, breast elastography, breast MRI screening of high risk women and image-guided breast biopsy.