Chukwujekwu Joseph Ezema, also called Jeks, is originally from Enugu State, Nigeria. He is an accomplished and results-oriented Data Analyst
with a proven track record of delivering impactful insights and driving business growth for over 4 years. He graduated with distinction in MSc Data Science from Teesside University, UK. Jeks brings a
wealth of knowledge and expertise to the table.
Currently working as a Data Analyst at Ubisoft Reflections in Newcastle, UK. He equally leverages his advanced skills in Excel, Power BI, Tableau, JavaScript, Python, SQL, and R—to champion data-driven training resources at
Jeks Analytics Platform. With a keen eye for details and a passion for innovation, he thrives in dynamic environments, delivering actionable solutions that fuel strategic initiatives and propel organisations forward. From his
YouTube engagements and community supports, he has mentored over 300 people who're transitioning into tech.
He also takes pride in his over 2.5 years of experience in the financial sector, gained at Page Financials in Lagos, Nigeria. As a Credit Analyst, he honed his customer relationship skills, problem-solving abilities,
and analytical proficiency using Advanced Excel and CRM tools. His exceptional performance in Consumer Lending led him to be transferred to support functions as a Data Analyst 10 months before embarking on his master's in the UK.
During his masters studies, Jeks demonstrated his commitment to academic excellence and community engagement by volunteering as a PASS Leader in MSc Data Science and serving as an
Accommodation Buddy. His dedication to supporting his peers earned him a Silver Award for surpassing 75 hours of volunteer service. Additionally, he has contributed as a research author
to an unpublished paper that is currently under review by journal publishers, showcasing his passion for advancing knowledge and contributing to the academic community.
Prior to his experiences above, Jeks had excelled as a Country Manager and Business Consultant at Fashion Hometex Co. Ltd. Thailand, where he spearheaded market research efforts, developed
comprehensive business strategies, and established successful Nigerian marketing and sales models for the company. His ability to blend analytical prowess with strategic thinking
has consistently delivered tangible results and positioned him as a trusted advisor in the industry.
With a commitment to continuous learning and professional development, Jeks remains at the forefront of emerging trends and technologies in AI, Data Science and Analytics. His
relentless pursuit of excellence and dedication to driving business impact, make him a valuable asset to work with.
Work Experience
October 2022 - Present
Data Analyst at Ubisoft Reflections, UK (Hybrid)
- Developed and implemented data-driven solutions to improve business operations.
- Collaborated with cross-functional teams to gather and analyze data for stakeholders.
- Presented data insights to top managers and studio heads.
- Partnered with both internal and external teams to integrate data and streamline processes with SQL and Power BI in Microsoft Fabric.
- Designed and executed A/B tests to optimize feature performance and staff ratings.
January 2023 - April 2023
Data Science Intern at Data Glacier, UK (Remote)
- Deployed machine learning models for predictive analytics using Flask and Heroku.
- Developed statistical models to analyze customer churn and cab investment trends.
- Published insights on statistical methodologies in data analytics, emphasizing their relevance to business decisions.
January 2022 - September 2022
Data Analyst Intern at Quantum Analytics NG, UK (Remote)
- Built 10 open-sourced data projects with Power BI and Tableau.
- Worked on a team that developed a Covid-19 live dashboard analysis using Power BI.
- Led a team that analyzed the world energy consumption data from Kaggle.
April 2021 - January 2022
Data Analyst at Page Financials, Nigeria (On-site)
- Analysed over 350 corporate account statements for a business facility up to a seed loan of up to NGN 1B.
- Automated over 150 transactions with a focus on consumer finance repayment via bank cheques, remita, direct debits, and card mandates, which reduced customer complaints on failed transactions from 20 a week to 5 using the Macros-VBA model
- Developed statutory monthly repayment models that reflected up to 5 customer repayment channels using valuation methodologies such as Paid, Unpaid, Do-Not-Present/Transfer (DPCs) comparable to precedent transactions or payment behavior.
- Coordinated the due diligence phase in about 50 transactions that reduced the Unit’s overflow by 40% in 1 month as against 70% monthly
Technical Skills
- Python for Machine learning and other Data Science Projects.
- Data Analysis with Python.
- R Programming (Inferential Statistics).
- Power BI.
- Microsoft Fabrics.
- Tableau.
- SQL (MySQL & PostgreSQL).
- Excel (Advanced Level).
- Statistics and Quantitative Analysis.
- Data Visualization (Online Inforgraphics).
- Interacative Visualization (D3js, SVGs).
- Business Data and Intelligence.
- Microsoft Power Automate.
- Technical Writing.
- Microsoft Office 365.
- Jira for Project Management.
- Version Control.
Education
January 2022 - January 2024
MSc Data Science at Teesside University, UK
- Graduated with Distinction.
- Co-authored a paper on 3D Imaging for Lumbar Classification.
- PASS Leader (MSc Data Science) - Volunteering.
- Accommodation Buddy - Volunteering.
October 2011 - August 2015
BSc Industrial Chemistry at Enugu State University of Science and Technology, Nigeria
- Best Graduating Student in the Department.
Courses and Certifications
Microsoft Certified: Power BI Data Analyst Associate
