Nages Nagaratnam, MD, OAM FRACP,FRCPA,FRCP,FACC,FCCP is Clinical Associate Professor at the Sydney Medical School, The University of Sydney and Conjoint Associate Professor  in the School of Medicine, College of Health and Science  at the University of Western  Sydney, Australia. He graduated  and obtained the Doctorate in Medicine from the University of Ceylon and  was for many years Consultant Physician in Internal Medicine in Sri Lanka  and Senior Physician at the General Hospital, Colombo, the premier teaching hospital. He is a founding Fellow of the National Academy of Sciences of Sri Lanka and was President Section A of the Sri Lanka Association for the Advancement of Science. In Australia he was  Consultant Physician in Geriatric and Internal Medicine at the Blacktown-Mount Druitt and Westmead Hospitals. He has an almost lifelong commitment to the training and guiding the careers of generation of young doctors. He has authored more than 200 scientific publications in both national and international journals. His interests spanned themes  from  many fields of medicine with continuous clinical research over several years. In the last two decades his interests are in geriatrics, rehabilitation, stroke  and stroke rehabilitation.

Kujan Nagaratnam MBBS (UNSW), FRACP graduated in Medicine from the University of New South Wales in 1988. He did his internal medical training and Advanced Training in Geriatric Medicine and Stroke Medicine at Westmead and Royal Prince Alfred Hospitals, Sydney. He obtained his Fellowship of the Royal Australasian College of Physicians (FRACP) in 1997. He held Senior Staff Specialist appointments in General, Geriatric Medicine and Stroke Medicine at Westmead Hospital and Blacktown- Mt Druitt Hospitals  until 2012. He is also Visiting Consultant Physician at The Norwest Private and Westmead Private Hospitals in Sydney. He is currently the Chairman and Head of the Department of Geriatric Medicine and Stroke Medicine, Norwest Private Hospital, Sydney. His academic interests includes teaching both undergraduate and postgraduate medical students. He is a Clinical Senior Lecturer in Medicine at The University of Sydney. His special interests  are Stroke Medicine, Cognitive Impairment and Dementia, Neurological Diseases in the Elderly and Post-operative medical management of elderly patients.