Dr. Ersel Ertürk is a lecturer in the Banking and Insurance Program at the Vocational School of İstanbul Esenyurt University. He completed his PhD studies in Economics at the Institute of Social Sciences, İstanbul University, where his dissertation examined the relationship between working hours and productivity in the banking sector using panel data methods for OECD countries. He currently serves as a member of the executive board and Secretary General of the Association for Social and Economic Perspective (SEPDER) and holds editorial and assistant editorial responsibilities in several academic journals. His teaching disciplines include microeconomics, labor economics, and public finance, and his research interests cover labor markets, welfare economics, panel econometrics, and fuzzy multi-criteria decision-making methods.