Data-Driven
Business
Insights
jackykumar.com
Dublin, Ireland
Email: jackykumar435@gmail.com

Problem
Analyze global COVID-19 trends.
Solution
Built interactive dashboards and spatial visualizations.
Generated actionable insights on transmission trends and recovery rates.

Problem
Optimize patient intake flows & hospital resource utilization.
Solution
Developed integrated admissions dashboards in Power BI.
Reduced patient waiting times by 14% and standardized triage.

Problem
Identify high-risk loan portfolios for credit division.
Solution
Built a credit scoring dashboard using Python.
Decreased non-performing loans by 8% and improved risk profiling.

Problem
Predict customer churn rates for subscription service.
Solution
Designed random forest prediction models and analytics visualizations.
Enabled marketing to target high-risk clients, saving 12% in churn.

Problem
Unify sales reporting across multiple retail channels.
Solution
Formulated dynamic DAX measures and drill-downs in Power BI.
Saved sales managers 8 hours weekly in manual spreadsheet compilation.

Problem
Group retail customer base to run personalized campaigns.
Solution
Published segmentation dashboards to Tableau Server.
Boosted campaign response rate by 18% through target cohort selection.

Problem
Evaluate market share shifts in the logistics sector.
Solution
Created interactive competitor analysis grids in Tableau.
Provided executive board with insights to pivot marketing budgets.