Programming & Automation: Python, R, VBA
Nneka M. Ekwemuka
Analyst
Mundelein,IL
Summary
Results-oriented Data Analyst with over 3 years of experience in sales operations and business analytics. Proven track record of leveraging SQL, Advanced Excel, and Python to transform complex datasets into actionable business insights. Expert in developing interactive Power BI and Tableau dashboards to facilitate data-driven decision-making for executive stakeholders. Skilled in operational analysis and identifying workflow efficiencies to drive revenue growth. A proactive communicator committed to continuous professional development and contributing to high-impact technical teams.
Overview
6
6
years of professional experience
Work History
Forecast Analyst
MAT Holdings Inc.
07.2025 - Current
- Communicate and present complex analytical findings to cross-functional stakeholders, including Supply Chain, Purchasing, and Sales, to support strategic decision-making.
- Lead a team of Data Analysts to develop and maintain KPI dashboards, ensuring timely and accurate data delivery for executive review.
- Utilize advanced Excel and Data modelling to manage demand planning and track SKU-level performance, contributing to a 20% improvement in operational efficiency.
- Identify key business opportunities and risks by mining large datasets and presenting fact-based recommendations to influence sales and promotion decisions.
Sales Ops Analyst
MAT Holdings Inc.
01.2024 - 07.2025
- Developed and maintained KPI dashboards in Power BI and Excel to provide sales leadership with visibility into business drivers and performance against forecast.
- Acted as the primary analytical resource for the sales team, analyzing performance data and translating stakeholder requirements into technical solutions.
- Collaborated across departments to resolve complex sales-related issues and ensure accurate data flow for financial and incentive reporting.
- Analyzed and documented stakeholder requirements to create reporting solutions and standard work procedures for data consistency.
Operations & Customer Support Specialist
Rise Gardens
05.2020 - 11.2021
- Analyzed customer feedback and operational data to identify emerging consumer trends and product performance issues, providing insights to leadership.
- Synthesized insights from user interactions to improve customer support processes and service quality metrics.
- Partnered with the product team to document usability issues, influencing updates that enhanced the user journey.
- Performed trend analysis on customer data to forecast service demands and inform inventory planning.
Education
Master of Science - Business Analytics
Lewis University
Romeoville, ILBachelor of Science - Economics
University of Lagos
Akoka LagosSkills
- Data Analysis & Programming: Python, R, VBA, Advanced Excel (Macros, Pivot Tables, VLOOKUP)
- Database Management: SQL, DAX, MDX, Data Warehousing, Data Mining
- Business Intelligence (BI): Power BI, Tableau, QlikView, Data Visualization
- Advanced Analytics: Machine Learning, Sales Demand Forecasting, Predictive Modeling, Statistical Analysis
- Process Optimization: Process Improvement, Operational Analytics, Process Mining (Celonis)
- Stakeholder Management: Technical Translation for Non-Technical Stakeholders, Relationship Management
- Strategic Leadership: Cross-functional Teamwork, Project Management, Requirements Gathering
- Core Competencies: Critical Thinking, Analytical Problem-Solving, Attention to Detail, Data Presentation
Timeline
Forecast Analyst
MAT Holdings Inc.
07.2025 - Current
Sales Ops Analyst
MAT Holdings Inc.
01.2024 - 07.2025
Operations & Customer Support Specialist
Rise Gardens
05.2020 - 11.2021
Bachelor of Science - Economics
University of Lagos
Master of Science - Business Analytics
Lewis University
Affiliations
- Association of Professional Business and Management Analysts, Jan 2026 – Present
- Data Science Association, Jan 2026 – Present
- Data Science Council of America, Jan 2026 – Present
Work Preference
Work Type
Full TimeLocation Preference
RemoteHybridImportant To Me
Work-life balanceCareer advancementPersonal development programsCompany CultureTeam Building / Company RetreatsQuote
It's fine to celebrate success but it is more important to heed the lessons of failure.
Bill Gates
Software
Database Management: SQL, T-SQL, DAX/MDX
Advanced Excel
BI & Visualization: Power BI, Tableau
Advanced Analysis: Excel (Pivot Tables, Power Query)
Accomplishments
Engineered a high-performance Star Schema and T-SQL pipeline to analyze POS records, identifying why high sales volumes in Texas and Illinois resulted in net losses despite $2.3M in revenue. Uncovering a heavy discount trap and major profit drivers. Insight drove optimized discount controls and a reward system to pivot sales toward high-margin items exceeding 40% profit.
Interests
Climbing
Dancing
Trying out new cuisines
Meeting poeple