Claudia Abreu Lopes is a Research Fellow at the United Nations University International Institute for Global Health (UNU-IIGH). Her research interests focus on methodologies that use big data as a complement to official statistics to monitor and advance sustainable development goals related to gender equality and health. She has been applied them to projects related to adolescent sexual and reproductive health and violence against women and girls. Claudia has spent 20 years in academia and also worked on the charity sector with Girl Effect (Data Scientist), and Africa’s Voices Foundation (Head of Research and Innovation), leading projects that used digital data to accelerate and evaluate the impact of public health interventions. She holds a PhD in Social Research Methods from the LSE and a Master’s degree in Social Psychology from the University of Porto.