Thanos Rompotis

Data Analyst, Strategic Analytics at Lighthouse

Designed data models for core business metrics and performed discrepancy analysis enabling proactive operational planning and data-driven decision-making. Built automated dashboards with Power BI (DAX) and Looker to track historical trends and quality breaches, reducing issue resolution time. Led cross-functional issue resolution efforts, collaborating with stakeholders to address discrepancies. Documented processes with Jira to facilitate knowledge transfer and support sustainable long-term data solution maintenance.

Associate Analyst (Contract), Franchise Management at Mastercard

Developed Power BI performance reports and conducted strategic analysis for multiple functions using Excel and Python. Implemented data quality checks and automation, reducing manual intervention and improving data consistency. Collaborated with Legal, Compliance, and Risk teams to strengthen data governance and ensure alignment with organizational standards. Led stakeholder meetings to discuss insights and provide training.

Data Analyst, People & Innovation (Contract) at Toyota Motors Europe

Built ETL processes using Python and SQL to model employee data for predictive analytics / machine learning. Performed validation checks to ensure data completeness and identify anomalies. Presented key predictive insights with Power BI, enabling proactive policy adjustments and data-driven HR decisions.