Marrieth Ejiasi

Worked with field teams and internal stakeholders to resolve data issues and support accurate, timely reporting. Prepared executive summaries and recommendations, cleaned and validated monitoring datasets, and analyzed competitive and brand/category performance to identify trends and opportunities. Built Excel and Power BI dashboards and reports to track campaign and competitive activity for client decision-making.

Designed and maintained end-to-end Power BI dashboards for sales KPIs across regional and managerial segments. Analyzed MTD/YTD performance, YoY growth, assortment coverage, and inventory coverage by brand, SKU, and territory to support sales, marketing, and supply chain decisions. Built centralized data models from multiple sources, improving reporting speed and accuracy, and automated data validation and refresh cycles using Power Query, DAX, and Excel.

Produced daily and monthly KPI reporting, covering collection performance, cash-on-delivery metrics, same-day delivery, on-time collection, and operational issue tracking. Created dashboards and ad-hoc analyses by consolidating data from multiple sources using Excel and Power Query, including regular quality checks and validation. Coordinated with internal teams to tailor outputs to business needs and automated recurring KPI and trend reporting tasks to improve efficiency.

Led data collection, cleansing, and validation to improve dataset accuracy. Used advanced Excel to perform detailed analysis and developed dashboards and reports in Tableau and Power BI. Performed ad-hoc analysis to reduce data-related challenges and collaborated with stakeholders to support project outcomes.