Dr Cybele Dey is passionate about finding solutions and improving responses to the impacts of climate change on child and adolescent mental health. Her research investigates using systems models to understand the mental health harms of climate change such as from extreme weather, heat, physical illness and flow-on effects such as disruptions to schools, forced migration and food insecurity. Dr Dey's research focuses on how to protect and improve child mental health in the face of the impacts of climate change. Dr Dey is very grateful to learn from and alongside First Nations' knowledge and culture bearers, people with lived experience and with colleagues across different disciplines.

Dr Cybele Dey is a Conjoint Lecturer in Psychiatry at the University of New South Wales, Sydney. She is a Child and Adolescent Psychiatrist who works at The Sydney Children’s Hospital Network, Australia, both locally and via telehealth to rural and remote areas of NSW. Dr Dey is dual qualified as a Paediatrician. She has worked as a doctor in child and adolescent psychiatry for over 20 years, becoming involved in research and advocacy on planetary health and mental health from 2020 onwards.

She is a member of Doctors for the Environment, Australia, and chair of the DEA Mental Health Special Interest Group and chair of the Climate Psychiatry Group of the NSW Royal Australian and New Zealand College of Psychiatrists.