Dr Arnagretta Hunter is a physician and academic working across healthcare and public policy. She has worked in cardiology and medicine for several decades and has particular interest in health and climate change. She has been discussing and contributing to debate on catastrophic and existential risk for the past four years through work at the Australian National University. 

Raised in Melbourne, Dr Hunter completed a BA(Hons) in international relations before embarking on medicine at the University of Sydney. She undertook medical training and has specialist qualifications as a physician cardiologist. As a doctor she has worked across urban, regional and rural locations in Australia. She is involved with Policy and Advocacy with the Royal Australasian College of Physicians and is a member of the Professional Standards Review panel for the Department of Health. In 2019 she received a Bob and June Prickett Churchill Fellowship with focus on narrative in medicine

Dr Hunter joined ANU in 2014 and has been working on the health impacts of climate change. In 2020 she co-chaired the Bushfire Impact Working Group for the College of Health and Medicine Australian National University, a group that won the Sidney Sax Medal for Public Health in 2020. Her work in climate change is wide-ranging including participation in the ANU Institute for Climate Energy and Disaster Solutions and the ACT Climate Change Council. She is cohost of the ANU Crawford School of Public Policy ‘Policy Forum Podcast’ on public policy.

She joined NCEPH in late 2023 working with colleagues on the Human Futures Initiative.