Keisy Portela

Keisy Portela is an experienced data scientist with a strong background in machine learning, deep learning, and data analytics. Currently serving as a Data Scientist Consultant at VinkOS since February 2023, Keisy previously worked at TISSINI as a Data Scientist, where models for customer churn estimation, CLV prediction, and text classification were developed and deployed. Prior roles include Professional Specialized in Fraud Models and Operational Risk at Banco Popular Colombia, where technical supervision of junior data scientists was provided, and Python applications were developed for data extraction. Keisy's experience also includes roles at Rappi, Covinoc S.A., ACTactuarios, and Banco Exterior, with a focus on data analysis, risk modeling, and actuarial calculations. Keisy holds a Bachelor's degree in Mathematics with a specialization in Statistics and Computational Mathematics from Universidad Simón Bolívar and a diploma in Machine Learning & Data Science from Universidad Nacional de Colombia.