Marcus Bell
Senior Data Analyst
marcus.bell@example.com +1 555 0142 Chicago, United States linkedin.com/in/example-profile example.com/portfolio
tech-stack --list
TechnicalSQL · Python (pandas) · Statistical hypothesis testing
ToolsLooker · dbt · BigQuery
Soft skillsExplaining findings · Stakeholder management · Training colleagues
summary
Five years of decision-support analytics in retail and subscription businesses. Experienced in churn prediction, pricing tests and cohort analysis. I care about analysis that ends in a measurable action rather than a report nobody opens.
work-experience
Senior Data Analyst
January 2022 – PresentSubscription retail business · Chicago
- Built a churn prediction model; targeted campaigns took monthly churn from 6.4% to 4.1%.
- Consolidated 38 scattered reports into 6 dashboards; weekly preparation fell from 14 hours to 3.
- Designed a pricing A/B test that lifted mid-tier conversion 11 points and quarterly revenue 8%.
Data Analyst
March 2020 – December 2021Multi-store retailer · Denver
- Automated stock-turn analysis across 220 stores; dead stock value fell 23% by year end.
- Moved 30 Excel reports into SQL, removing a recurring source of manual error.
- Ran SQL training for product and marketing teams; ad hoc requests dropped 45%.
Reporting Analyst
February 2019 – February 2020Logistics company · Denver
- Built the delivery performance dashboard; on-time delivery improved 8 points in six months.
- Wrote the validation layer that resolved inconsistencies in the daily sales pipeline.
- Cut order cancellation from 7.2% to 3.4% through a carrier integration project.
education
University of Illinois
BSc, Statistics · 3.7
Northwestern University
Certificate Programme, Data Science
projects
Churn Early Warning System
A model producing a risk score 30 days ahead from behavioural signals. Accuracy 81%; retention in the treated segment improved 14 points.
languages
- English · Native
- Spanish · Proficient