Ruben A

Econometrician

May 2017 - Present • 9 yrs

Optimization of XGBoost, LightGBM, and CatBoost machine learning models for predicting commodity prices in the Kaggle competition: MITSUI&CO. Commodity Prediction Challenge.

Econometrician

Mar 2017 - Present • 9 yrs 2 mos

Built panel-data models to assess the impact of ESG certification, gender certification, and ESG bonds on the stock valuation of publicly listed firms in Mexico.

Data Scientist

Mar 2017 - Present • 9 yrs 2 mos

Forecast Qatar’s GDP growth using ARIMA, VAR, Random Forest, XGBoost, GRU, and LSTM models, including macroeconomic intervention analysis.