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I'm a Senior Data Analyst with over 4 years of experience turning business needs into scalable, data-driven solutions. I'm proficient in SQL, Power BI, and Azure Data Services, with strong skills in data modelling, ETL, and dashboard development. I excel at managing full-cycle BI projects, automating reports, and delivering actionable insights to steer strategy. I am known for precision, proactive problem-solving, and a solid understanding of financial services and educational data environments.…I'm a Senior Data Analyst with over 4 years of experience turning business needs into scalable, data-driven solutions. I'm proficient in SQL, Power BI, and Azure Data Services, with strong skills in data modelling, ETL, and dashboard development. I excel at managing full-cycle BI projects, automating reports, and delivering actionable insights to steer strategy. I am known for precision, proactive problem-solving, and a solid understanding of financial services and educational data environments.

William Efeomo Enobun

Data Analyst, Data Scientist, Full Stack Developer, +5

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I'm a Senior Data Analyst with over 4 years of experience turning business needs into scalable, data-driven solutions. I'm proficient in SQL, Power BI, and Azure Data Services, with strong skills in data modelling, ETL, and dashboard development. I excel at managing full-cycle BI projects, automating reports, and delivering actionable insights to steer strategy. I am known for precision, proactive problem-solving, and a solid understanding of financial services and educational data environments.…I'm a Senior Data Analyst with over 4 years of experience turning business needs into scalable, data-driven solutions. I'm proficient in SQL, Power BI, and Azure Data Services, with strong skills in data modelling, ETL, and dashboard development. I excel at managing full-cycle BI projects, automating reports, and delivering actionable insights to steer strategy. I am known for precision, proactive problem-solving, and a solid understanding of financial services and educational data environments.

Available to hire

I’m a Senior Data Analyst with over 4 years of experience turning business needs into scalable, data-driven solutions. I’m proficient in SQL, Power BI, and Azure Data Services, with strong skills in data modelling, ETL, and dashboard development.

I excel at managing full-cycle BI projects, automating reports, and delivering actionable insights to steer strategy. I am known for precision, proactive problem-solving, and a solid understanding of financial services and educational data environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Training Instructor - Data & Business Intelligence

January 1, 2025 - November 5, 2025

Designed and delivered comprehensive BI training programmes covering Advanced Excel, SQL, and Power BI to aspiring data professionals, enhancing data literacy across diverse cohorts. Developed curriculum and materials focusing on data modelling and dashboard development. Mentored students through end-to-end project delivery, from data extraction to stakeholder presentation. Advised on technical proficiency and analytical thinking to cultivate practical BI skills.

Senior Business Research & Data Analyst at Independent Schools Council

January 1, 2025 - January 1, 2025

Conducted margin analysis across 500+ independent schools, benchmarking tuition against local funding to identify profitability gaps and pricing opportunities. Delivered variance analyses to senior stakeholders highlighting 15% cost discrepancies; automated monthly profitability dashboards using SQL and Excel; collaborated with finance teams to validate pricing models; presented quarterly insights to education-sector leaders.

Business Intelligence Analyst at Wave Utilities

July 1, 2023 - July 1, 2023

Developed Power BI dashboards to monitor margins across service lines, identifying 8% margin improvement opportunities. Performed SKU-level profitability analysis and supported quarterly forecasting with data models, boosting forecast accuracy by 18%. Conducted UAT and collaborated with commercial teams on profitability impacts; implemented data warehousing to enable real-time margin tracking.

Data Analyst / BI Developer at Eminent Estate

December 1, 2022 - December 1, 2022

Designed rolling reforecast models in T-SQL to track portfolio performance and improve quarterly margin predictions. Analyzed product-level profitability across property segments, repositioning underperforming assets; built variance analysis frameworks to highlight risk and improve margin stability by 22%. Automated reporting for sales KPIs and costs; supported ROI analyses for acquisitions; established data quality protocols for accurate revenue and cost centers.

IT Support Specialist at Hope for the Nations (Not-for-profit Organization)

December 1, 2017 - December 1, 2017

Managed IT infrastructure across Windows and macOS, delivering 1st/2nd line support with high user satisfaction. Administered servers and backups; coordinated vendor relationships for hardware procurement; implemented network security measures and conducted site audits. Trained staff on new systems to raise digital literacy.