Minneapolis, MNhannah.kowalski@email.com(555) 019-6612
Data analyst with six years in insurance and e-commerce analytics, working daily in SQL, Python and Tableau. Built the attribution model the marketing team now uses to split a $6M annual ad budget, and moved weekly reporting from spreadsheets to dashboards.
- Built a multi-touch attribution model in SQL and Python; paid social spend fell 15% with no drop in orders.
- Replaced 11 weekly Excel reports with three Tableau dashboards, saving the team about 12 hours a week.
- Design and read out 20+ A/B tests a year on checkout and email; one checkout change lifted conversion 4%.
- Wrote SQL checks on a 40-million-row claims table to flag duplicate claims, recovering $220,000 in a year.
- Cleaned and documented 30 source tables in the reporting warehouse used by 60 analysts.
- Microsoft Certified: Power BI Data Analyst Associate, Microsoft, Renewed 2026-02
SQL (PostgreSQL, Snowflake), Python (pandas), Tableau, Power BI, dbt, A/B testing, Excel, Google Analytics 4