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Brian Felipe Sarmiento Valencia

Data Analyst and Visualizer
Skills
(Self-evaluation)
Languages
Professional profile

Work experience

Analista Y Visualizador De Datos
emtelco | September 2021 - Present (5 years 2 months)
Used skills

Reporting and data visualization in Excel and Power BI with connections to different database engines and whose data processing is done in Python. These reports imply a daily update compliance at a specific time.

Practicante En Estadística
tigo | August 2020 - February 2021 (6 months)
Used skills

Development of risk models that predict customer churn and create alerts to lower the company's CHURN rate. Creation of customer classification methods that allow knowing the most important variables or (benefits) that encourage the customer to continue with the products

Education experience
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