Dr. Dimitrios Dimitriou is an Assistant Professor of Applied Finance and Banking in the Department of Accounting and Finance at the University of West Attica. He holds a BSc in Economics and an MSc in Applied Economics and Finance from the National and Kapodistrian University of Athens. He also holds a PhD in Finance (with distinction) from the University of Ioannina and has completed post-doctoral research at the National and Kapodistrian University of Athens. Dr. Dimitriou has held executive roles at the Ministry of Finance and has served as Specialized Scientific Staff at the Hellenic Fiscal Council. He has also taught at several institutions, including the University of Ioannina, the National and Kapodistrian University of Athens, the Hellenic Open University, and the Athens University of Economics and Business. His research interests include financial contagion, portfolio theory, time series forecasting, and financial econometrics. He has published extensively in leading academic journals such as the Journal of International Financial Markets, Institutions & Money, International Review of Financial Analysis, International Journal of Finance & Economics, Economics Letters, Economic Modelling, Finance Research Letters, and Research in International Business and Finance. According to Google Scholar, his work has received approximately 2,000 citations.