Javier is a medical professional experienced in data science and epidemiological research in public health. His research interests focus on spatial statistics and epidemiological analyses of big data to support decision-making in public, environmental and occupational health.

Javier is currently developing complex data analyses to identify the association of environmental risk factors such as bushfires smoke with respiratory diseases in the Australian population, including COVID-19. Javier's research involves programming scripts for advanced statistical software and Geographic Information Systems and implementing analyses in High-Performance Computing environments.

Javier's professional experience spans three major areas of medicine: clinical practice, medical management and epidemiological research, and teaching health subjects related to each of these. He has participated as specialist to support the implementation of national and regional health programs and strategies in Indonesia, India, and the Pacific, in consultancy with the World Health Organisation. Javier is also the chief investigator of an international research collaboration between the World Health Organisation collaboration centre for children’s health (Australia) and the University of Santander (Colombia).