Hernan Aronson
BI & Data Analyst
Turning data into clear, actionable business insights using SQL, Python and BI tools.
SQL & Analytics
Data querying, joins, aggregations and KPI-focused analysis to support business decisions.
BI & Dashboards
Power BI dashboards with clear storytelling, clean data models and stakeholder-ready insights.
Python for Data
Exploratory data analysis, feature engineering and practical analytics workflows.
Featured Projects
Selected projects focused on BI, analytics and decision support.
SPY ROI ML Model
Forward-return analysis using engineered signals and model evaluation.
Telecom Churn ML
Churn prediction with insights on key drivers for retention strategy.
Happy Insurance BI
Power BI dashboards with star schema modeling and KPI drilldowns.