HENRY OKONKWO
Lagos, Nigeria · (-
Email |LinkedIn | Portfolio| Medium
PROFESSIONAL SUMMARY
Results-driven Data Analyst and Data Engineer with over five years of experience in data analysis, engineering, and business intelligence within energy and utilities sectors. Expert in designing and optimizing ETL pipelines, data warehouses, and relational databases to support actionable insights and scalable solutions. Proficient in SQL, Python, Apache Airflow, Power BI, and Tableau for data processing, visualization, and statistical analysis. Skilled in automating workflows, ensuring data integrity, and leading cross-functional teams to enhance operational efficiency. Holds an MBA in Marketing and certifications in ETL, data pipelines, and cloud platforms, with a passion for leveraging data to solve complex business challenges.
SKILLS
Data Analysis: SQL, Python, R, SPSS, A/B Testing, Statistical Analysis, Data Visualization
Data Engineering: ETL Processes, Apache Airflow, Apache Kafka, Data Pipelines, Data Warehouses, Data Lakes
Database Management: MySQL, PostgreSQL, SQLite, IBM Db2, Microsoft Access, Relational Databases, NoSQL
Tools: Power BI, Tableau, Excel, Apache Spark, Hadoop, AWS, Azure, GCP Cloud Computing
Programming & Automation: Python (Pandas, NumPy), Shell Scripting, Linux
Soft Skills: Problem Solving, Attention to Detail, Team Collaboration, Time Management
PROFESSIONAL EXPERIENCE
Freelance Researcher, Data Analyst, and Business Analyst (Remote)
Livingstone Research | United Kingdom | March 2023 – July 2024
Conducted exploratory data analysis using Python and SQL, uncovering trends that increased client ROI by 10% (~$1,500 per project).
Developed statistical models to deliver actionable insights, saving clients $2,000 annually through optimized processes.
Created data visualizations in Tableau, translating insights into strategies that improved business outcomes by 20% (~$1,000 in revenue).
Regional Data and Business Analyst (Benin South Region)
BEDC Electricity Plc | Benin City, Edo State, Nigeria | September 2022 – February 2023
Analyzed operational data with SQL and Power BI, driving UX improvements and a 15% boost in efficiency.
Designed ETL workflows and dashboards to track performance metrics, enabling real-time decision-making.
Automated reporting processes using Python, reducing reporting time by 50% and saving NGN 200,000 monthly.
Customer Experience Associate and Energy Sales Engineer (Sokponba Business Unit)
BEDC Electricity Plc | Benin City, Edo State, Nigeria | January 2018 – August 2022
Led data-driven transformation of business unit, analyzing customer behavior with SQL and Python to improve satisfaction by 20% (~NGN 2.5M in retention value).
Implemented a CRM system with integrated data pipelines, enhancing data accuracy and saving NGN 1.2M annually.
Built market research models, identifying growth opportunities that generated NGN 900,000 in revenue.
Developed sales strategies using statistical analysis, increasing revenue by 25% (~NGN 12M) and collection efficiency by 10% (~NGN 120M monthly).
Prepaid Meter Manager/Supervisor (Sokponba Business Unit)
BEDC Electricity Plc | Benin City, Edo State, Nigeria | January 2016 – January 2018
Optimized onboarding with streamlined ETL processes, reducing processing time by 30%.
Maintained data integrity through validation and cleansing in relational databases.
Created a digitized meter database using MySQL, improving operational tracking and fraud prevention.
EDUCATION
Master’s Degree (MBA), Business Administration (Marketing)
Ahmadu Bello University, Zaria, Kaduna State, Nigeria | September 2022
Bachelor’s Degree (B.Eng), Mechanical Engineering
University of Nigeria, Nsukka, Enugu State, Nigeria | July 2012
CERTIFICATIONS
ETL and Data Pipelines with Shell, Airflow, and Kafka | Coursera | October 2024
Data Engineering (Python, SQL, ETL, Airflow, Data Pipelines) | Coursera | 2024
Special Executive Masters in Project Management | Metropolitan School of Business and Management, London, UK | October 2016
Certificate of Excellence: Regulation for SDG 7 | Florence School of Regulation, Italy | October 2023
Open Africa Power 2023 Fellowship | Enel Foundation | 2023
