Preeti Sonke
Transforming Data into Decisions | Data Analyst | Azure, SQL, Power BI, Python | Ex-EY & KPMG | Enabling Scalable Analytics & Predictive Insights
- Role
- Data Scientist Data Analyst at Blue Cross Blue Shield Association
- Location
- Chicago, IL, US
- LinkedIn followers
- 500 followers
About Preeti Sonke
I’m a data storyteller, systems thinker, and optimizer at heart — passionate about…
Experience
Data Scientist Data Analyst
Blue Cross Blue Shield Association
Jun 2025 — Present · US
Improved member retention by 12% by building churn prediction models using Python (Pandas, NumPy, Scikit-learn) on Medicare and Medicaid claims data, optimizing outreach for high-risk populations. • Reduced reporting time by 40% by developing Power BI and Tableau dashboards with real-time KPIs, claims, and enrollment trends across 80+ provider networks. • Streamlined ETL workflows with Azure Data Factory, Data Lake, and SQL, integrating multi-source Medicare/Medicaid datasets and applying logical data modeling to boost pipeline efficiency by 30%. • Ensured HIPAA compliance by implementing PHI masking, RBAC controls, and secure data handling practices, supporting 5+ audits with zero violations: automated report generation via Jupyter Notebooks and cron jobs.
Education
Savitribai Phule Pune University
Bachelor of Engineering - BE, Electronic and Communications Engineering
Illinois Institute of Technology
Master's degree, Information technology and management
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