Joseph is a Professor at Monash University this appointment followed Joseph establishing the Health Services Research Unit at the Department of Epidemiology and Preventive Medicine, Monash University in 1999 after completing a Doctorate of Philosophy examining the epidemiological principles of performance measurement and quality in health care. Joseph’s principal areas of research expertise include quality of clinical care, aged care, performance measurement, patient safety and climate change. He is a past member of the editorial committee for the International Journal for Quality in Health Care and a former director on the Board, Aged Care Standards And Accreditation Agency (2002-2012). At Monash University, Joseph has developed, coordinated and taught in a range of undergraduate and postgraduate education units in quality of care, patient safety, aged care, climate change and preventive medicine. Joseph’s ongoing research is investigating approaches to improving the lives of persons with dementia and reducing harm to older persons living in Residential Aged Care.
Joseph is the Clinical Director of Sub-Acute Services and a practicing consultant physician in Aged Care Medicine at a large regional centre in Victoria (2007) providing care for patients in hospital and community settings, Adjunct Professor, Australian Centre for Evidence Based Aged Care, La Trobe University, Faculty Of Health Sciences. He was the founding Professor/Director of Aged Care Medicine at Peninsula Health, Monash University (2004-07), this appointment followed the position of Clinical Service Director for Aged Care at the Williamstown Hospital, Western Health. Joseph has a Fellowship of the Royal Australasian College of Physicians and a Fellowship in Australasian Faculty of Public Health Medicine.
Joseph was an inaugural and founding member of the Clinical Liaison Service (2002-2009) and the Work Related Investigation Service (2005-2009) at the Victorian Institute of Forensic Medicine assisting the State Coroner’s Office investigating the system failures associated with health care and work related deaths respectively.
Over the past fifteen years Joseph has been the principal investigator on research grants and contracts on healthcare quality and safety projects with the World Bank, the Australian Commonwealth and State Health Departments. In 2000, Joseph participated as a consultant for the World Bank Project assisting the development of a system for hospital accreditation in Lebanon and by the Asian Development Bank to co-ordinate courses for Health Care Quality in Indonesia. Other international study visits include to Boston USA  as the regional editor of International Journal for Quality in Health Care, Human Rights Commission Northern Ireland  Veterans Affairs National Centre for Patient Safety, Michigan USA  and University of Tokyo .
Joseph continues to publish in national and international journals and regularly presents at seminars and conferences on the topics of aged care, quality, performance measurement and clinical risk management.