Nathaniel N. Nwana
Data Analyst Business Analyst @Aopen Pan America An Acer Group Company
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WORK HISTORY
Data Analyst Business Analyst @Aopen Pan America An Acer Group Company
Built enterprise Power BI dashboards on Microsoft Fabric semantic models to track product, channel, and geographic performance; cut time-to-insight for executives by 45%.• Authored robust DAX measures (YTD, MoM, QoQ, retention, cohort) and Power Query transformations to standardize calculations and improve metric consistency across business units.• Engineered ETL (SQL Server + Fabric pipelines) consolidating ERP, CRM, and marketing data; reduced manual prep by 60% and improved refresh reliability (SLA 99.9%).• Created margin, pricing, and mix analyses to support quarterly planning; identified cost-to-serve reductions yielding $250K annualized savings.• Implemented data quality checks (null handling, type controls, reconciliation scripts) and data dictionaries to raise trust in reports; measurable 35% drop in ad-hoc validation requests.• Partnered with Finance, Sales Ops, and Supply Chain to define KPI frameworks (fill rate, DOH, ASP, contribution margin) and align visuals to executive OKRs.• Deployed row-level security (RLS) and workspace governance standards; improved access control and audit readiness for internal reviews.• Introduced a self-service BI model and training; boosted active monthly users by 30% and reduced analyst ticket backlog by 25%.• Produced scenario-based demand forecasts using historical seasonality and promo effects; improved forecast bias and MAPE for pilot categories.Environment: Power BI, Microsoft Fabric (Dataflows/Models), SQL Server, DAX, Power Query, Azure, Excel, SharePoint, Azure DevOps
EDUCATION
Turku School of Economics at the University of Turku
Business Administration and Management, General
University of Buea
Bachelor's degree, Business Administration and Management, General
Colorado Technical University
Master of Business Administration - MBA, Data Analytics
ABOUT NATHANIEL N. NWANA
I am a Senior Data Analyst / Business Intelligence Analyst with 6+ years of experience transforming complex data into clear, actionable insights across technology, healthcare, telecom, and marketing environments. I specialize in Power BI, Microsoft Fabric, SQL, DAX, and Power Query, with a strong track record of building scalable data models, automated dashboards, and trusted KPI frameworks that support executive decision-making.In my current role at Acer America Corporation, I design and deliver enterprise-grade Power BI solutions on Microsoft Fabric semantic models, reducing executive time-to-insight by 45%, improving refresh reliability to 99.9% SLA, and enabling $250K+ in annualized cost savings through margin, pricing, and mix analysis. I am known for creating consistent, governed metrics, implementing row-level security (RLS), and increasing self-service BI adoption across cross-functional teams.Previously, at Merkle, I built end-to-end analytics pipelines integrating CRM, web analytics, and finance data to create a single source of truth for campaign performance, funnel analytics, attribution, and LTV reporting. My work supported 35% faster optimization cycles and 25% conversion lift in targeted marketing programs. I also bring experience from healthcare and operations analytics, delivering productivity, compliance, and renewal insights that improved operational outcomes.I combine strong technical depth with business acumen and stakeholder communication, partnering closely with Finance, Sales Operations, Marketing, and Supply Chain to align analytics with KPIs, OKRs, and strategic objectives. I am currently completing an MBA in Data Analytics, further strengthening my capabilities in strategy, finance, forecasting, and predictive analytics. Core Expertise: Power BI • Microsoft Fabric • SQL • DAX • Data Modeling • KPI & OKR Design • Forecasting • Dashboard Automation • Data Governance Industries: Technology • Healthcare • Telecom • Marketing Roles of Interest: Senior Data Analyst • Business Intelligence Analyst • Analytics LeadI am passionate about building reliable, scalable analytics solutions that turn data into confident decisions and measurable business impact.
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