Dr Justin became the Medical Superintendent (MS) Public Health in 2016. He headed the Disease Control Division, Ministry of Health before being MS and prior to that he had many other placements inside the Public Health arena in the UK such as at the Public Health England, Health Protection Agency and Suffolk County Council.
Justin is a member of the Fellowship of the Faculty of Public Health of the Royal College of Physicians (2014) and has a GMC Certificate of Completion of Training (CCT) in Public Health Medicine. He also has other appointments under both local and international committees relating to his field. These include appoints at WHO Guidelines Development Group for the Programmatic Management of Drug-Susceptible (2016), WHO Task Force on Addressing Ethical Issues in TB Care and Control (2015) and Honorary Teaching Fellow at Norwich Medical School, University of East Anglia (2012-2014).
He obtained both his Bachelor of Science in Immunology and Pathology (B. Sc.) (2005) and his Bachelor of Medicine and Bachelor of Surgery (MBBS) (2007) from Imperial College London. He continued to pursue a Master of Philosophy in Public Health (M. Phil.) from the University of Cambridge in 2010. He has also have made a number of publications which has been published in various journals, some notable ones are Egan M, Wong J, Lock K. Use of retail data in the assessment of natural experiments: the case of Reducing the Strength, an intervention to reduce alcohol availability. The Lancet 2014, 384; S30 and Wong J, Robin L, Bagade A. How can we measure and monitor system performance in hospitals? The case for an evaluation toolkit. The Network Casebook 2012, 1; 45-48.