Michael Effiom

MICHAEL EYO EFFIOM Dallas, TX | - |-LinkedIn: linkedin.com/in/e-michael-effiom PROFESSIONAL SUMMARY Results-oriented Data Visualization Leader with 9+ years of experience transforming fragmented datasets into actionable dashboards using Power BI, Tableau, and ThoughtSpot. Specializes in building scalable BI systems, optimizing reporting workflows, and delivering executive-level insights that drive strategic decision-making across healthcare, manufacturing, and automotive industries. CORE COMPETENCIES Business Intelligence & Visualization: Power BI (DAX, Power Query), Tableau, ThoughtSpot, Qlik, SSRS, SSIS Data Engineering & Warehousing: SQL (T-SQL, PL/SQL), Snowflake, Databricks, AWS Redshift, Oracle, SAP Cloud & Automation Tools: Azure, AWS, GCP, Power Automate, Azure DevOps, SharePoint Programming & Scripting: SQL, Python, HTML/XML, Alteryx Project & Agile Tools: Jira, ServiceNow, Mural, Asana, SmartSheets PROFESSIONAL EXPERIENCE Senior Data Visualization Engineer UnitedHealthcare – Dallas, TX | Aug 2024 – Present Lead the design and deployment of advanced Tableau and ThoughtSpot dashboards, providing real-time visibility into member engagement, cost trends, and operational KPIs. Integrate healthcare claims, financial, and membership data using Snowflake, SQL, and Python, enabling unified analytics across the enterprise. Enhance predictive modeling and executive forecasting tools by embedding ThoughtSpot AI insights into self-service dashboards. Streamline reporting workflows and reduce manual effort through automation using Power Automate and cloud-based data orchestration. Partner with IT and data governance teams to enforce data quality standards and ensure HIPAA-compliant analytics delivery. Lead Power BI Developer NSI Industries – Dallas, TX | Feb 2024 – Aug 2024 Led end-to-end development and optimization of Power BI dashboards supporting manufacturing, supply chain, and operations teams. Created scalable, performance-optimized data models using DAX and Power Query, improving report load times by 30%. Integrated SAP ERP, WMS, and production data into a centralized reporting solution, enabling real-time visibility into inventory, vendor performance, and throughput. Automated legacy Excel-based reporting, saving over 200 hours of manual effort annually and improving KPI refresh speed. Provided technical leadership in Power BI workspace architecture, governance standards, and user access management. BI Solutions Architect Toyota Motors North America – Dallas, TX | Apr 2022 – Feb 2024 Led the architectural strategy to migrate 100+ dashboards from Tableau and Looker to Power BI, standardizing reporting across all North American business units. Designed scalable semantic models and dataflows using Power BI and DAX, reducing dashboard redundancy and improving performance. Developed a unified data governance framework, introducing certified datasets and metric definitions used across Finance, Manufacturing, and Sales. Partnered with functional leaders and IT to align BI infrastructure with business needs, ensuring cross-platform continuity during migration. Delivered executive-level dashboards and performance reports to VP and C-level leaders, supporting strategic decision-making across the enterprise. Senior BI Developer Altium – Dallas, TX | Mar 2019 – Apr 2022 Led development of enterprise Tableau and ThoughtSpot dashboards for global business units, increasing data adoption across Sales, Product, and Finance teams. Designed data models and SQL views to support visual analytics across CRM, product usage, and financial data. Championed implementation of data governance protocols, improving report accuracy and reducing duplicated insights across teams. Built scalable BI pipelines in Snowflake and Databricks, automating performance metrics reporting. Partnered with C-suite to deliver quarterly performance insights, contributing to $50M+ in revenue expansion. Junior BI Developer DXC Technology (formerly Hewlett-Packard) – Dallas, TX | Feb 2017 – Mar 2019 Developed SQL queries and Power BI dashboards for Medicare/Medicaid reporting based on the FISS database. Transformed healthcare claims data into structured datasets using Snowflake and Alteryx. Built operational dashboards integrating ServiceNow data for internal IT performance metrics. Supported ETL workflows and QA testing for HIPAA-compliant reporting pipelines. EDUCATION BSc, Business – University of Texas at Dallas (2017) CERTIFICATIONS Microsoft Certified: Power BI Data Analyst Associate (PL-300) ITIL Foundation Certified PORTFOLIO Healthcare Claims Optimization Dashboard (Power BI) Supply Chain Analytics (Tableau + SAP) Executive Reporting Suite (Snowflake + ThoughtSpot)