Demos is the chief executive officer of North Richmond Community Health as well as the director of the Centre for Culture, Ethnicity & Health (CEH).
Demos migrated to Melbourne with his family from Greece in 1954. Since 1985, he has held a number of positions in the health care sector including six years as executive officer with the health consumer organisation Preston/Northcote District Health Council. In 1991, he was appointed the chief executive officer of North Richmond Community Health Centre and in 1999, director of CEH.
His professional interests include health and cultural diversity, health issues affecting refugees and migrants, health equity and human rights, the health of Indigenous Australians, the development of ethical health care practice and health care service research. Demos was awarded the Centenary Medal in 2000 for services to community health.