





Featured Projects
Analytical case studies developed from start to finish—from data preparation and analysis in SQL and BigQuery to creating dashboards and visualizations in Tableau and Excel to support informed decision-making.
BIGQUERY · TABLEAU · SQL
SQL · EXCEL · TABLEAU
BIGQUERY · EXCEL · TABLEAU
Public Policy Data Analysis
Retention Optimization
Business Insights Dashboard
Analysis of socioeconomic and public-program data to identify patterns, compare outcomes and communicate findings through clear visualizations.
A structured data-cleaning project focused on identifying missing values, duplicates, inconsistencies and data-integrity issues before analysis.
Exploratory analysis of a business dataset to uncover trends, monitor key metrics and translate findings into actionable recommendations.
Daniela M. Guzmán
Data Analyst with a background in Public Policy & Programme Management
Data Analytics × Policy × Impact
© 2026 Daniela M. Guzmán. Based in the Netherlands.
SQL - BigQuery - Public Policy - KPI Governance
