Zerayehu Sime is an Associate Professor of Economics at Addis Ababa University, with expertise in development economics, macroeconomics, poverty and inequality, food security, industrial policy, and applied econometrics. His research examines economic development, innovation, labor productivity, governance, and household welfare in Ethiopia and Sub-Saharan Africa. He possesses advanced skills in Multi-Shock Index (MSI) construction using parametric and non-parametric methods, the analysis of household food security outcomes, and General Equilibrium (CGE) modeling with GAMS and System Dynamics modeling, employing quantitative methodologies to inform evidence-based policy and facilitate sustainable economic growth.

As a consultant with the Food Security Portal, Zerayehu Sime conducted research on compound vulnerability and food security in Somalia.