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Turning Data into Actionable Insights
Transforming raw data into meaningful visualizations and data-driven solutions to drive business growth and informed decision-making.
9+
Years Experience
100+
Projects Completed
50+
Happy Clients
About
About Me
Data Analyst | Data-Driven Decision Maker
With over 9 years of experience, I specialize in extracting insights from complex datasets to drive business growth. Proficient in SQL, Python, Power BI, and Tableau, I have a proven track record of optimizing database performance, automating data processes, and creating dynamic visualizations. Passionate about leveraging data to enhance operational efficiency, improve forecasting accuracy, and support strategic decision-making.
Name
Stanley C. Okoro
Phone
+44 7414 970411
Occupation
Data Analyst
Email
stanley.chinor@gmail.com
Gender
Male
Nationality
Nigerian
Stanley C. Okoro
Data Analyst
SQL
Expert in writing efficient queries, optimizing database performance, and managing large datasets.
85%Python
Skilled in data analysis, automation, and machine learning using Pandas, NumPy, and SciPy.
65%Power BI & Tableau
Experienced in creating interactive dashboards, data modeling, and visual storytelling.
80%Excel
Proficient in Pivot Tables, VLOOKUP, Power Query, and data automation for reporting.
85%Resume
A results-driven Data Analyst with 9+ years of experience in data cleaning, visualization, and database management. Proficient in SQL, Python, Power BI, and Tableau, with a strong ability to extract actionable insights and drive business growth. Adept at optimizing database performance, automating processes, and presenting insights to stakeholders for data-driven decision-making.
Work Experience
With over 9 years of experience, I have worked with global teams to analyze complex datasets, optimize database performance, and create insightful visualizations.
Timeless Technologies | (Freelance)
2023 – PresentData Analyst
- Optimized SQL queries, reducing execution times by 40% and improving data accessibility for 50+ users.
- Automated data cleaning using Python, saving 15 hours per week and increasing efficiency by 30%.
- Designed interactive Power BI and Tableau dashboards, improving decision-making speed by 25%.
- Led a data-driven project to improve consumer engagement by 20%, resulting in a 10% increase in sales revenue.
Spire Data | UAE (Remote)
2021 – 2023Data Analyst
- Led a team of 5 analysts, improving operational efficiency by 25%.
- Built advanced data models using SQL and Python to analyze market trends, increasing forecasting accuracy by 20%.
- Partnered with stakeholders to design Tableau dashboards, visualizing KPIs and enabling data-driven decision-making.
- Automated monthly reporting processes, reducing manual effort by 30 hours per month.
Sparrow Technologies | Nigeria (Hybrid)
2016 – 2021Data Analyst
- Analyzed customer feedback using MySQL and Python (Pandas, NumPy), identifying key areas for product improvement that led to a 15% increase in product adoption.
- Created Power BI dashboards to visualize customer feedback trends, enabling the product team to prioritize feature updates.
- Streamlined data collection processes, improving accuracy, and reducing processing time by 15%.
- Collaborated with marketing teams to optimize campaign performance, increasing ROI by 18%.
My Education
Coventry University
2023-2024Master of Science in International Business Management
England, UK
Covenant University
2011 - 2016Bachelor of Science in Chemical Engineering
Ota, Nigeria
Portfolio
A curated collection of real-world data analytics projects showcasing expertise in SQL, Python, Power BI, Tableau, and Excel. Each project highlights skills in data wrangling, visualization, business intelligence, and performance optimization—demonstrating a strong ability to translate complex data into actionable insights that support strategic decision-making.
- All Work
- Python
- SQL
- MS Excel
- Power BI / Tableau
Python Project
Call Center Performance Analysis: A Data-Driven Approach to Agent Productivity
In today’s competitive business landscape, call centers play a crucial role in customer acquisition and ...See More
Python Project
Exploratory Data Analysis of Patient Demographics and Disease Trends
This project focuses on analyzing a healthcare dataset containing 8,000 patient records to uncover insights into patient demographics, disease prevalence, and ...See More
SQL/Power BI Project
Project Title: Sales Performance Analysis & Customer Segmentation (SQL & Power BI)
In this project, I conducted an end-to-end data analysis for a retail company’s sales database using SQL Server for data extraction and transformation and ...See More
SQL Project
📊 Project Title: Sales & Marketing Call Center Analysis Using PostgreSQL
This project explores a dataset with 200,000 customer service call records from a fictional sales and marketing ...See More
Excel VBA + Pivot Analytics
Excel-Based Sales Dashboard with DAX-Like Power Pivot Measures
This project showcases a comprehensive Excel-based Sales Dashboard built using advanced features such as pivot tables, slicers, dynamic charts, and ...See More
📊 Excel Sales Dashboard – Advanced DAX-Powered Analysis
Excel Dashboard – Business Objectives & DAX-Driven Metrics
This project presents an interactive, Excel-based sales dashboard built using Power Pivot and DAX measures. It focuses on analyzing sales ...See More
Power BI Project
Power BI Project – Financial Performance Dashboard
This Power BI project focuses on analyzing financial performance metrics across different geographies and ...See More
Power BI Project
📊 Customer Performance Dashboard
Companies often invest in campaigns without a clear understanding of which customer segments drive the most ...See More
Tableau Project
📊 Human Resources Dashboard: Data-Driven Workforce Intelligence
This project centers around building a dynamic, interactive Tableau dashboard to empower HR teams with real-time insights into workforce ...See More
Tableau Project
📊 Data Analytics Portfolio Project: Business Performance Dashboards (2023)
As part of my data analytics portfolio, I developed two interactive Tableau dashboards—Sales Dashboard and Customer Dashboard—to uncover business ...See More
Frequently Asked Questions
What industries do you specialize in as a Data Analyst?
I have experience working across various industries, including e-commerce, finance, healthcare, and technology. My expertise lies in analyzing business data, optimizing performance, and delivering actionable insights to drive growth.
Which tools and technologies do you use for data analysis?
I am proficient in SQL, Python (Pandas, NumPy, SciPy), Power BI, Tableau, and Excel. I also work with databases like MySQL, MS SQL Server, and cloud platforms such as AWS and Azure.
How do you ensure data accuracy and quality?
I use advanced data-cleaning techniques in Python and SQL, automate data validation processes, and perform thorough data integrity checks to maintain high accuracy and reliability.
Can you create interactive dashboards and reports?
Yes, I specialize in developing interactive dashboards using Power BI, Tableau, and Excel to help stakeholders make data-driven decisions efficiently.
Do you have experience with predictive analytics?
Absolutely! I have worked on predictive modeling using Python and SQL, enabling businesses to forecast trends, optimize marketing strategies, and improve decision-making.
Are you available for freelance or consulting projects?
Yes, I am open to freelance, consulting, and collaboration opportunities. Feel free to contact me via email or LinkedIn.