Data Analyst
(555) 010-0000 · you@example.com · City, ST · linkedin.com/in/your-name
Professional Summary
Detail-driven data analyst with four years turning SQL queries and dashboards into decisions, experienced in Tableau, Power BI, and Python, with a record of surfacing trends that cut cost and lifted retention.
Experience
Data Analyst — Summit Analytics Partners
2022 – Present
City, ST
- Built a churn-driver dashboard in Tableau that helped product leadership cut monthly churn from 4.8% to 3.1%.
- Wrote and optimized SQL queries against a 40-table warehouse, trimming a key report's runtime from 11 minutes to 40 seconds.
- Identified a billing-data discrepancy that recovered $96K in under-invoiced revenue over two quarters.
- Automated a weekly executive report with Python and scheduled jobs, saving roughly 6 analyst hours per week.
- Cleaned and reconciled a 2.3M-row customer dataset, raising downstream report accuracy to 99.4%.
- Partnered with marketing to A/B test email segments, lifting click-through 22% on the winning variant.
- Documented 30-plus reusable SQL definitions in a shared metrics catalog adopted by three teams.
Junior Data Analyst — Harbor Insights Co.
2020 – 2022
City, ST
- Produced weekly KPI dashboards in Power BI for five regional sales managers covering 1,200 accounts.
- Reduced manual spreadsheet reporting 70% by replacing copy-paste workflows with parameterized queries.
- Flagged a seasonal inventory pattern that informed a reorder change saving an estimated $40K annually.
- Validated survey data from 8,000 respondents and corrected sampling bias before publishing results.
- Created a data-dictionary wiki that cut repeat questions to the analytics team by about half.
- Built Excel models with pivot tables and VLOOKUP that finance used for monthly variance reviews.
Education
Bachelor of Science in Economics — State University
2016 – 2020
Certifications & Licenses
Google Data Analytics Professional Certificate
Skills
SQL · Tableau · Power BI · Excel · Python (pandas) · Data cleaning · A/B testing · Data visualization · ETL workflows · KPI reporting · Statistics · Stakeholder communication