Onyekachi Peterpaul
@onyekachipeterpaul
I am a data analyst driving growth through actionable insights.
NigeriaWhat I'm looking for
I am a proactive, results-oriented data analyst with strong business intelligence skills and experience in start-up and fast-paced environments. I specialize in turning complex datasets into clear, actionable reports that support sales growth and strategic decision-making.
At Interra Networks I designed and automated Power BI dashboards and a data-cleaning process that reduced data errors by 78% and cut reporting time by 37%. My analyses contributed to significant business outcomes, including a reported 178% increase in customer retention, an 18% increase in sales, a 62% improvement in campaign conversion, and an 8% gain in market share; earlier, at Wakanow I developed ML models improving forecast accuracy by 31% and automated processes saving about 20 hours per week.
I have delivered national-level dashboards for NPHCDA, the National Tuberculosis Program (with KNCV), JAMB, and the Nigeria Immigration Service to enable real-time monitoring and resource allocation. I work with Power BI, Python, SQL, R, DAX, BigQuery and cloud tools, and I seek collaborative roles where I can build BI solutions that accelerate data-driven decisions.
Experience
Work history, roles, and key accomplishments
Data Analyst
Interra Networks
Jun 2021 - Present (4 years 3 months)
Built and automated Power BI dashboards and data-cleaning processes that reduced reporting time by 37% and data errors by 78%, supporting initiatives that increased customer retention by 178% and sales by 18%. Delivered onsite technical support for 150+ employees and led cross-functional segmentation and marketing analyses that improved conversion rates and market share.
WATravel Analyst
Wakanow
Jul 2020 - May 2021 (10 months)
Developed machine learning models and Power BI dashboards that increased forecast accuracy by 31% and saved ~20 manual hours per week through automation, improving travel spend forecasting and reporting efficiency. Standardized Excel reporting templates and advanced analytics to enhance service quality and data-driven decisions.
WAIntern Data Analyst
Wakanow
Dec 2019 - Jun 2020 (6 months)
Performed data collection, cleansing, validation, and monthly reporting using advanced Excel to improve data quality and support revenue-generating analyses. Assisted the data warehouse and produced ad hoc investigations to inform business decisions.
Education
Degrees, certifications, and relevant coursework
FOFederal University of Technology Owerri
Bachelor of Engineering Technology, Materials and Metallurgical Engineering
Bachelor of Engineering Technology in Materials and Metallurgical Engineering completed in August 2018.
Tech stack
Software and tools used professionally
Availability
Location
NigeriaAuthorized to work in
Job categories
Skills
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