Professor Degiannakis has been recognized as one of the World’s Top 2% Scientists across all scientific fields globally for the year 2023. This is the 4th year that he is included in the list with the researchers with highest impact worldwide. Professor Degiannakis research interests are in the areas of energy finance (i.e., oil price modelling and forecasting, trading strategies for oil, ETFs on oil, volatility tradeable assets, big data analysis for energy finance), financial econometrics (i.e. ultra-high frequency modelling, ultra-high frequency algorithmic trading, option pricing, financial markets modelling), applied economics (i.e. nowcasting and forecasting for macroeconomic policy) and market risk management (i.e. prediction models for market risk). His research has been granted with multiple scholarships and awards. He has more than 5000 citations according to google scholar and about 57.000 reads according to research gate. He is an evaluator of research projects at the European Research Council and a reviewer in 50 high-profile international scientific journals.