OxHA holds an annual summit to bring together a diverse group of experts from a range of fields to consider the prevention of epidemic chronic disease.

The 2008 Summit was jointly hosted by the OxHA Secretariat in London and the OxHA Asia-Pacific Centre at The University of Sydney, and was held in Sydney, 25-27 February 2008, on the theme of Building a healthy future: chronic disease and our environment.

The OxHA 2008 Sydney Summit brought together over 100 invited international delegates from academia, government, business, law, economics, architecture and urban planning from both developed and developing countries to consider the collective response needed to safeguard the health of people, places and the planet. The Summit delivered a global call to action, The Sydney Resolution, to motivate corporations, governments, financial institutions, donor agencies and civilians to build a healthy future.

Summit participants also considered and voted on priorities for chronic diseases with the highest priority being the establishment of a Global Fund for Chronic Diseases.