Cristina O’Callaghan has a degree in Biology (2005) from the University of Barcelona (UB), a master in Microbiology (2008) from the same university and a master in Epidemiology from the London School of Hygiene and Tropical Medicine (LSHTM, 2011). She did her PhD (2011) between the Barcelona Centre for International Health (CRESIB-UB, Barcelona) and Manhiça Health Research Centre (CISM, Mozambique).
In 2013 she joined the Centre for Research in Environmental Epidemiology (CREAL – now ISGlobal) as postdoctoral fellow within the Cancer programme. In 2014 she was awarded a Sara Borrell postdoctoral fellowship (Instituto de Salud Carlos III). In 2016 she worked as postdoctoral fellow at the Department of Medical Statistics at LSHTM. In 2017 she was awarded a PERIS fellowship (Generalitat de Catalunya) and obtained an Assistant Research Professor position at ISGlobal.
She has worked with a wide range of environmental exposures (i.e. air pollution, green spaces, diet, contamination related to extractive industries, heat stress) in association with non-communicable diseases, at national and international level (Greece, India, Mozambique and Peru).