Leslie Dailey
Plano,TX
Summary
Results-driven Senior Analyst with extensive experience building, automating, and maintaining enterprise-level reporting solutions that drive operational improvements and cost savings. Proven expertise in SQL, Tableau, Excel, and ETL tools for integrating data across multiple platforms including Netezza, Oracle, and SQL Server. Recognized as a Subject Matter Expert (SME) in recurring reporting, Tableau administration, and report optimization, with a strong track record of troubleshooting complex issues and enhancing report functionality. Skilled at partnering with business stakeholders to gather requirements, translate needs into actionable reporting solutions, and deliver insights that influence strategy. Adept at mentoring team members, leading reporting transformations, and developing off of scalable data models that reduce production time and improve accuracy.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Senior Analyst
DaVita
02.2025 - Current
- Administering team Excelsior Tableau site, overseeing permissions, publishing, and lifecycle management of workbooks and reports.
- Serving as Team SME for Tableau, providing guidance on best practices, calculated fields, and data model optimization.
- Leading a ROPs reporting transformation initiative, shifting from flat table data sources to scalable Tableau data models for improved efficiency and accuracy.
- Mentoring team members on data structure comprehension to enhance reporting capabilities and ensure consistency across deliverables.
- Spearheading development of a collections Tableau report projected to replace a $1M Deloitte subscription tool, driving significant cost savings and self-service analytics adoption.
Reporting Analyst
DaVita
10.2022 - 02.2025
- Optimized and maintained several reports in our 300+ recurring report inventory, resolved partner-identified issues, enhanced existing outputs, and creating new calculated fields to improve decision-making.
- Conducted an in-depth review of 20k+ lines of SQL code to enhance a critical credit report, adding 40+ new fields and increased usability.
- Developed new recurring reports for operational areas including Hospital Services Group (HSG) and Registration, aligning outputs with business requirements.
- Utilized Visual Studio (ETL) to extract, transform, and load data from Netezza, Oracle, and SQL Server, delivering insights through Excel and Tableau dashboards.
- Served as Subject Matter Expert (SME) for Cash and Credit reporting lanes, ensuring accurate, timely delivery of recurring reports.
- Acted as primary liaison between Excelsior and the Spider development team, safeguarding recurring reporting against production table changes.
- Earned the Core Value Team Award for knowledge-sharing, mentoring teammates, and improving overall reporting quality for business partners.
Project Engineer
Morton Salt
12.2016 - 01.2022
- Generated a monthly energy usage and production report for the department. The actionable insights from this report made it possible to create an 11% sustained reduction in energy usage by making minor adjustments in the process.
- Cleaned and maintained a monthly production report that gets sent to the environmental protection agency on a regular basis. There were 0 open issues with the EPA during this period. This report also assisted the department in identifying brine well production issues before they completely halted production.
- Regularly sampled and reviewed brine chemistry with an excel workbook and made adjustments in the process to decrease internal customer complaints downstream by 12%.
- Created a daily report that forecasted salt levels in silos several days into the future which led to a decrease in salt waste by 5% each year. This was achieved by communicating concerns to other departments before the department ran out of salt or made too much for the 300-ton silo storage.
- Led multiple CAPEX projects ranging from $20M to $2.5MM that had strict federal guidelines that threatened to stop production if not completed on time.
- Lead engineer for site continuous improvement efforts. This was accomplished by implementing 5S, value stream mapping, and utilizing 6 sigma tools. Cost reduction was measured vs 2017 EBITDA with a goal of saving $2.5MM by 2021. The project had reached $1.8MM in savings before being promoted.
Education
Bachelor of Science - Mechanical Engineering
University of Texas at Tyler
Tyler, TX01.2016
Skills
- Technical Skills: SQL (Microsoft SQL Server Management Studio, Netezza, Oracle), Tableau, Power BI, , Microsoft Excel Expert, Python (Jupyter Notebook through Anaconda), Dashboard Creation, and Enterprise Resource Planning (SAP), Project Management, Report automation
- Industry Knowledge: Healthcare Analytics, Healthcare Revenue Cycle, Exploratory Data Analysis, Problem Solving, Structured Thinking, Team Player, Critical Thinking, Troubleshooting, Presentation Skills, Attention to Detail, and Collaboration
Certification
- Microsoft Excel Expert | Microsoft | 2022
- Certified with an advanced understanding of Excel to create, manage, and distribute professional spreadsheets for a variety of purposes. Topics covered included: data models, financial functions, power pivot, pivot tables, pivot charts, macros, developer tab, advanced functions, and conditional formatting.
- Tableau Certified Data Analyst | Tableau | 2022
- Developed the skills to enable stakeholders to make business decisions by understanding the business problem, identifying data to explore for analysis, and delivering actionable insights.
- Microsoft Certified: Power BI Data Analyst | Microsoft | 2022
- Certified in Power BI to prepare data, model data, create custom DAX formulas, analyze, and visualize data as well as deploy assets through Power BI Service through apps and workspaces.
- Data Analyst with SQL Career Track | DataCamp | 2022
- Certified in T-SQL aggregate functions, joining tables, common table expressions, window functions, functions, stored procedures, handling errors, and query performance.
- Data Analyst with Python Career Track | Datacamp | 2022
- Certified in how to import, clean, manipulate, and visualize data through Python and import data with SQL from databases.
Timeline
Senior Analyst
DaVita
02.2025 - Current
Reporting Analyst
DaVita
10.2022 - 02.2025
Project Engineer
Morton Salt
12.2016 - 01.2022
Bachelor of Science - Mechanical Engineering
University of Texas at Tyler
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