Summary
Overview
Work History
Education
Skills
Websites
Accomplishments
Timeline
Generic
Micheal Chima Nkwocha

Micheal Chima Nkwocha

DATA ANALYST
Aveiro

Summary

Detail-oriented and Results-driven Data Analyst with proven experience in data accuracy, visualization, inventory tracking, and financial documentation. Skilled in leveraging Microsoft Excel (Power BI, Power Query), Tableau, and SQL to optimize data processes, streamline operations, and drive strategic decision-making. Adept at identifying discrepancies, minimizing errors, and enhancing workflow efficiency through data-driven solutions. Demonstrated ability to deliver high-quality, accurate results that exceed performance metrics and align with business objectives, and committed to maintaining data integrity, confidentiality, and providing actionable insights that support sustainable organizational growth.

Overview

11
11
years of professional experience

Work History

Data Analyst

Momotaikeh Ventures
Nigeria
04.2021 - 05.2025

Achievements

  • Built an executive dashboard adopted by C-level, shortening decision cycles by 40% and increasing visibility on 12 core KPIs.
  • Improved data accuracy from 70% to 98% by introducing validation rules and reconciliation scripts, cutting error-driven rework.
  • Designed a forecasting model that improved demand prediction accuracy by reducing stockouts by 60% and lowering excess inventory.20%
  • Implemented automated alerts for data anomalies, enabling the ops team to resolve issues within 24 hours, reducing downtime.
  • Consolidated 5 disparate data sources into a single data model, reducing query time by 60% and eliminating duplicate records.

Responsibilities

  • Build and maintain ETL pipelines and data models; clean and validate data to keep reports reliable.
  • Turn stakeholder questions into analyses, exploratory studies, segmentation, and forecasts that guide decisions.
  • Create automated dashboards and reports (Power BI and Tableau) and present clear, actionable insights to non-technical teams.
  • Developed and implemented data visualization dashboards, enhancing decision-making processes across multiple departments.
  • Analyzed complex datasets to identify trends, influencing strategic initiatives and improving operational efficiency.
  • Collaborated with cross-functional teams to streamline data collection processes, resulting in increased data accuracy and reduced reporting times.
  • Conducted regular data audits to ensure compliance with organizational standards, significantly improving data integrity.

Junior Data Analyst (Remote)

Hosts Superstore Limited
Nigeria
02.2021 - 01.2022

Achievements

  • Improved sales and inventory reporting accuracy by 90%, strengthening decision-making for supply and finance teams..
  • Designed Excel-based dashboards and automated Pivot Table
    reports, reducing manual reporting time by 50%.
  • Enhanced data consistency across regional branches by
    implementing centralized templates and shared validation rules.
  • Increased stock reorder accuracy by 70% through trend analysis and data-driven forecasting.
  • Reduced data entry errors by 30% by introducing structured input controls and reconciliation checks.

Responsibilities

  • Collected, cleaned, and analyzed large datasets from multiple
    supermarket branches using Excel, Power Query, and Google
    Sheets.
  • Built and maintained performance dashboards tracking KPIs like
    sales volume, product turnover, and revenue growth.
  • Collaborated remotely with store managers and finance officers to
    resolve discrepancies and validate daily sales data.
  • Produced weekly and monthly business insight reports, identifying
    high-demand products and underperforming SKUs.
  • Supported budget planning and inventory forecasting by integrating historical sales trends into predictive models.
  • Ensured data integrity and compliance with company standards
    through periodic quality checks and documentation audits.
  • Communicated insights to management via virtual meetings and
    visual reports, promoting data-driven decision-making across
    teams.

Internal Auditor

Lagos Travel Inn
Lagos
06.2017 - 01.2021

Achievements

  • Maintain a reliable financial statement by analyzing and highlighting risk management.
  • Internal control audits at various departments increased the performance of the workforce by 70%.
  • Forecasting and budgeting to improve sales, control wastages, and minimize expenses.
  • Report findings to the Board of Directors, and likewise draft a comprehensive audit report

Responsibilities

  • Analyzing bank lodgment, daily sales analysis, expenses analysis, city ledger, accounts receivable, and accounts payable.
  • Ensuring that all expenses incurred by guests are properly charged to their guest folio and remitted before checkout.
  • Conduct audit testing of specified areas to identify irregularities and assess the dimensions of risk.
  • Investigate financial discrepancies and discipline defaulters according to the company's rules and regulations.

Data Entry Specialist

Globus Supermarket Limited
Lagos
02.2016 - 05.2017

Achievements

  • Improved customer data accuracy by 85% using Excel, reducing retrieval errors and enhancing record reliability for business operations.
  • Enhanced revenue tracking accuracy from 45% to 90% through precise data entry and financial analysis, optimizing reporting and decision-making.
  • Used Pivot tables to streamline store data evaluation, increasing purchase order efficiency by 70% and improving stock reordering accuracy.

Responsibilities

  • Reviewed data from source documents to ensure accuracy, completeness, and consistency, minimizing errors in record-keeping and improving data reliability.
  • Investigated discrepancies, resolved incomplete records, and addressed data issues to maintain high-quality, error-free documentation for business operations.
  • Managed customer data, sales, purchases, and revenues, ensuring accurate tracking for informed decision-making and sustainable business operations.

Intern Audit Officer

NYSC, Osun State College of Education
08.2014 - 07.2015

Achievements and Responsibilities

  • Supported over 5 internal audit reviews, helping identify financial discrepancies and improve departmental compliance by 25%.
  • Assisted in developing risk assessment reports that informed
    management decisions and reduced operational irregularities.
  • Collaborated with senior auditors to perform data-driven financial reconciliations, increasing reporting accuracy and transparency.
  • Contributed to the preparation of comprehensive audit documentation, ensuring proper record-keeping and regulatory
    alignment.
  • Assisted in the development of audit procedures that improved accuracy and reduced discrepancies in financial reporting.
  • Gained hands-on experience in various software programs, increasing proficiency and expanding technical skill set.

Education

Master's - Data Science for Social Science

University of Aveiro
08.2027

Higher National Diploma - Accountancy

Abia State Polytechnic
Aba, Abia State
07.2012

National Diploma - Accountancy

Abia State Polytechnic
Aba, Abia State
09.2009

Skills

Data Analysis and Visualization Data Cleaning and Quality Assurance Database Management and Data Validation Statistical Reporting and Performance Monitoring Financial and Business Data Interpretation Workflow Automation and Process Optimization Data Entry Accuracy and Documentation Spreadsheet Management Dashboard Development Analytical Thinking Customer Data Management Digital Record Maintenance Confidential Data Handling Time Management Multitasking Problem-Solving Communication Attention to Detail Stakeholder Collaboration Performance Monitoring

Accomplishments

  • Spearheaded end-to-end data analysis initiatives that improved reporting accuracy by 35%, enabling leadership teams to make faster, evidence-based business decisions and optimize operational performance
  • Leveraged advanced analytics and visualization tools (Excel, Power BI, SQL) to identify revenue opportunities and customer trends, resulting in a 20% increase in market performance and enhanced data strategy alignment.
  • Designed and deployed automated dashboards and validation systems that reduced manual processing time by 50%, maintained data integrity, and streamlined organization wide data workflows.

Timeline

Data Analyst

Momotaikeh Ventures
04.2021 - 05.2025

Junior Data Analyst (Remote)

Hosts Superstore Limited
02.2021 - 01.2022

Internal Auditor

Lagos Travel Inn
06.2017 - 01.2021

Data Entry Specialist

Globus Supermarket Limited
02.2016 - 05.2017

Intern Audit Officer

NYSC, Osun State College of Education
08.2014 - 07.2015

Higher National Diploma - Accountancy

Abia State Polytechnic

National Diploma - Accountancy

Abia State Polytechnic

Master's - Data Science for Social Science

University of Aveiro
Micheal Chima NkwochaDATA ANALYST