Javier Olivera is a Research Scientist at the Luxembourg Institute of Socio-Economic Research (LISER) and Full Professor of Economics at the Pontificia Universidad Católica del Perú (PUCP). He is also an affiliated researcher at the Department of Economics of KU Leuven and a Research Fellow at Netspar. From 2024 to 2026, he served as a Senior Economist at the National Bank of Belgium (NBB). He holds a PhD in Economics from KU Leuven, an MSc in Economics from the University of Essex, and a BA in Economics from PUCP.

His research focuses on public economics, pensions and social protection, economic inequality, preferences for redistribution and taxation, perceptions of inequality, intergenerational transfers, economic demography, and ageing.