Greeshma Sree Nagalla
Data Analyst | Python • SQL • Power BI • Tableau | ETL & Predictive Analytics | AWS & Azure | Data-Driven Decision Making
- Role
- Data Analyst at Humana
- Location
- Houston, TX, US
- LinkedIn followers
- 500 followers
About Greeshma Sree Nagalla
Results-driven Data Center Technician and Systems Engineering graduate student with 3+…
Experience
Data Analyst
May 2025 — Present
Built and automated Tableau and Power BI dashboards for claims performance, policy renewals, and provider efficiency, reducing manual reporting efforts by 35% and enabling real-time decision-making across business units; integrated Smartsheet for project tracking and reporting. Designed and optimized SQL queries and ETL workflows in Snowflake, Azure Data Factory, and Azure Synapse Analytics, improving data refresh times by 40% and ensuring executives had access to near real-time KPIs. Conducted predictive modeling in Python (pandas, scikit-learn) to forecast member retention and care utilization trends, improving retention strategy effectiveness by 18%; automated reporting delivery via SSRS and Smartsheet API. Collaborated with cross-functional teams to translate business requirements into data solutions, ensuring alignment between clinical, finance, and IT stakeholders, while applying Semantic Data Modeling and standardized KPI frameworks. Leveraged Excel (Power Query, VBA) and SQL to streamline ad-hoc analysis requests, enhancing turnaround time and supporting leadership with actionable insights across clinical and financial data. Ensured HIPAA compliance and maintained high-quality standards across large datasets by implementing robust data governance practices using Alteryx, SQL Server, Power BI, and Data Governance & Compliance Controls.
Education
University of Houston
Master's degree
2023 — 2025
University of Jawaharlal Nehru Technology
Bachelor of Technology
2019 — 2023
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