Ivan Hanigan earned a PhD at the Australian National University’s National Centre for Epidemiology and Population Health (NCEPH) where he collaborated closely with Prof Tony McMichael on the Climate Change and Health program. Ivan later transitioned to the ANU Biodiversity and Conservation Ecology program to work on ecological impacts of climate change. A postdoctoral fellowship from NHMRC followed, focusing on creating a national environmental health exposure science platform: the Clean Air Research Data and Analysis Tools platform ‘CARDAT.’ Ivan is now Director of the WHO Collaborating Centre for Climate Change and Health Impact Assessment and Lecturer in Climate Change and Health.