Wheaton Oladele
Summary
Results-driven Data Analyst with proven experience using SQL, Power BI, Excel, and Python to analyse complex datasets, improve operational performance, and support continuous improvement projects. Worked in multiple industries (Energy, Housing, E-commerce, and Real Estate) delivering accurate reporting, identifying trends, and collaborating with cross-functional teams to enhance service delivery.
Overview
6
6
years of professional experience
Work history
Customer Analyst
Stonewater
07.2024 - 06.2025
- Analysed 25,000+ customer social housing complaints to identify root causes, resulting to a reduction of negative findings by 34%.
- Used SQL and Excel to provide operational reports to key stakeholders to improve resolution speed by 22%.
- Prepared statutory reports for the Housing Ombudsman Service, ensuring full compliance with their policies and guidelines.
- Lead the development of Power BI dashboards to track real-time performance trends into customer complaints behaviour and resolution.
- Worked across departments to refine complaints processes and support contractors (field operations) in meeting SLAs reducing outstanding actions.
- Produced detailed risk assessments and shared case analysis with both internal and external stakeholders, improving the quality of decision-making and accelerating resolution timelines
Customer Experience Analyst
PA Housing
12.2023 - 06.2024
- Produced Excel reports on complaint trends, automating workflows and saving 40% manual effort.
- Identified service failures through data, and shared with contractors and service area leads. Leading to process changes and a 35% faster resolution rate.
- Provided real-time data insights to support contractors on field service delivery and operational planning. Reducing missed repair and maintenance appointments from 20% to 16%.
- Presented insights from risk assessments and complaint trends in weekly meetings with contracts and service teams, driving targeted service improvements and proactive issue resolution.
Junior Data Analyst
Inklar
07.2022 - 12.2023
- Built and managed dashboards in SQL and Tableau to track product performance, customer lifetime value, and campaign ROI, reducing reporting time by 45%.
- Analysed behaviour data from over 100,000+ user sessions, uncovering friction points that led to a 22% reduction in customer drop-off and improved user retention.
- Conducted A/B testing on landing pages and email campaigns, contributing to a 17% increase in click-through rates and 12% growth in average order value.
- Supported SEO strategy by identifying high-performing keywords and content gaps, contributing to a 35% increase in organic traffic and helping rank 10+ key pages in the top 3 Google search results.
- Delivered weekly performance reports to marketing and product teams, influencing campaign timing, content strategy, and promotional targeting.
- Used Google Analytics and Search Console to monitor traffic sources, optimize metadata, and report on SERP performance, helping reduce bounce rates by 18%.
Complaints Analyst
E.ON
10.2019 - 07.2021
- Analysed data from over 67,000+ monthly complaints, uncovering trends that led to a 13% reduction in repeat issues through targeted process improvements.
- Developed and maintained performance dashboards for team leads, enabling data-informed decisions that improved operational efficiency and customer satisfaction.
- Conducted root cause analysis and implemented reporting improvements that reduced average complaint resolution time by 25%.
Education
BA (Hons) - Business Entrepreneurship and Innovation
De Montfort University
01.2020 - 1 2023
Google Data Analytics Professional Certificate - undefined
Google
Skills
- Data Analytics & Reporting (SQL, Excel, Power BI, Python)
- Performance Monitoring & KPI Reporting
- Field Operations & SLA Tracking
- Data Cleaning & Interpretation
- Stakeholder Communication & Collaboration
- Process Improvement & Automation
- Customer Service & Complaint Resolution
- Advanced Excel (Pivot T ables, VLOOKUPs, Formulas)
- Microsoft Tools (Word, Excel, PowerPoint)
- Google Analytics
Hobbies
- Learning new tools
- Networking
- Data-led problem solving
Timeline
Customer Analyst
Stonewater
07.2024 - 06.2025
Customer Experience Analyst
PA Housing
12.2023 - 06.2024
Junior Data Analyst
Inklar
07.2022 - 12.2023
BA (Hons) - Business Entrepreneurship and Innovation
De Montfort University
01.2020 - 1 2023
Complaints Analyst
E.ON
10.2019 - 07.2021
Google Data Analytics Professional Certificate - undefined
Google
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