Dimitrios Sarris

Dimitrios Sarris is a seasoned data science professional with extensive experience in various roles at Amazon, including Data Science Manager, Data Scientist III, and Data Scientist II from 2021 to 2024. Prior experience includes serving as a Data Science Consultant at Monitor Deloitte, where Dimitrios successfully deployed an XGBoost predictive model for optimizing discounts for a retailer, achieving a forecasting error of just 4% during critical promotional periods. Additionally, Dimitrios developed a Next Best Message model for a major UK fashion retailer. Earlier in the career, Dimitrios worked as a Research Associate in the Forecasting & Strategy Unit, focusing on improving model selection for complex time-series forecasting using advanced bootstrapping techniques.