OSARINMWIAN NELSON OGHOMWENRHIERE
MANCHESTER,UNITED KINGDOM
Summary
I am a data analysis professional with a solid background in the collection, cleaning, and interpretation of complex datasets. I possess extensive experience utilising tools such as Excel, SQL, and Python to generate insightful reports and visualisations. Additionally, I have demonstrated strong problem-solving abilities, with an emphasis on enhancing business processes through data-driven decision-making.
Overview
5
5
years of professional experience
4
4
years of post-secondary education
8
8
Certification
Work History
Junior Data Analyst
OSANICO GLOBAL ENTERPRISE
LAGOS, NIGERIA
03.2021 - 12.2025
- Analysed large datasets to identify trends, anomalies, and opportunities for business improvements.
- Designed and implemented dashboards and reports to visualise data for easy interpretation by non-technical users.
- Implemented data cleaning techniques to improve data quality, leading to a 20% increase in data accuracy for critical analyses.
- Developed and maintained dashboards in Power BI, providing real-time data visualisation to support decision-making processes.
- Analysed large datasets using SQL and Excel to identify trends, resulting in actionable insights for business strategy improvement.
- Utilised Python for data manipulation and analysis, automating repetitive tasks and increasing team productivity by 30%.
- Monitored key performance indicators and generated weekly reports, identifying trends and anomalies for senior management review.
Tata Data Visualizations
Empowering Business with Effective Insights Job
07.2025 - 08.2025
- Executed simulation to develop data visualisations for Tata Consultancy Services, enhancing understanding of data insights
- Designed visuals for data analysis, supporting executives in making informed decisions
- Formulated targeted questions for the client's senior leadership meeting, facilitating productive discussions
Data Analyst Intern
SIDEHUSTLE
01.2024 - 06.2024
- Analysed large datasets using SQL and Python, extracting insights that informed strategic decision-making.
- Developed and maintained dashboards in Power Bi, delivering real-time visualisations of key performance indicators.
- Presented reports with data, creating summaries and flow charts that improved presentation clarity.
Education
Master of Science - Data Science
University of Salford
Salford 01.2026 - Current
Bachelor of Science - Industrial Chemistry
University of Benin
Benin City 01.2015 - 11.2018
Skills
- Data analysis
- Data visualisation
- Data cleaning
- Predictive analysis
- SQL
- Python
- R-language
Languages
English
Upper Intermediate
B2
Certification
Google: Foundations: Data, Data, Everywhere (Coursera October 2025)
Cognitive Class: R for Data Science (September 2025)
Cognitive Class: Data Analysis with Python (August 9, 2025)
Forage TATA: Data Visualisation: Empowering Business
with Effective Insights (August 25)
Cognitive Class: SQL and Relational Databases 101 (July 2025)
University Of Alberta(Cousera) Introduction to software and Product Management, 4th May 2024
SIDE HUSTLE: Data Analytics 31st Mar 2023
IBM: Data Visualisation and Dashboard with Excel and Cognos 19th Mar 2023(Coursera)
IBM: Excel Basics for Data Analysis 10th Mar 2023(Coursera)
IBM: Introduction to Data Analysis 30th Jan 2023(Coursera)
Pragmatics Works: Power BI Beginner to Pro Workshops 25th Mar 2023
Cognitive Class: Blockchain Essentials 5th Dec 2021
Cognitive Class: Introduction to Data Science 19th Jul 201)
Timeline
Master of Science - Data Science
University of Salford
01.2026 - Current
Tata Data Visualizations
Empowering Business with Effective Insights Job
07.2025 - 08.2025
Data Analyst Intern
SIDEHUSTLE
01.2024 - 06.2024
Junior Data Analyst
OSANICO GLOBAL ENTERPRISE
03.2021 - 12.2025
Bachelor of Science - Industrial Chemistry
University of Benin
01.2015 - 11.2018