Professor Calder has worked in health policy for more than three decades. Rosemary has held positions as a senior executive in health policy and administration in both State and Commonwealth Departments of Health and has also held senior roles in social policy issues. Currently Rosemary leads the Australian Health Policy Collaboration (AHPC), a project of Victoria University that brings together many of Australia's leading health experts. Working as a collaborative network, AHPC translates evidence of what works to reduce population risk factors for preventable chronic diseases and to develop consensus based policy information and leadership to achieve system improvements.