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Alejandra Hernández García

Medellín, Antioquia, Colombia

Data Analyst with 5+ years of experience in financial services

  • Led the development of a customer segmentation model that improved targeting efficiency by 20%.
  • Streamlined reporting processes, reducing report generation time from 3 days to 1 day.
  • Managed data cleaning and validation for multiple datasets to ensure accuracy for quarterly reports.
Data Analysis
Advanced
Proficient in analyzing large datasets to identify trends and insights in the financial industry.
SQL
Expert
Experienced in writing complex queries to extract and manipulate data for reporting and analysis.
Excel
Expert
Skilled in advanced Excel functions, pivot tables, and macros for data processing and visualization.
Communication
Intermediate
Able to clearly present data-driven insights to stakeholders with varying levels of technical understanding.
Data Visualization
Intermediate
Utilize tools like Tableau and Power BI to create interactive dashboards and visual reports.
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