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Segun Apeji

@segunapeji

I turn complex multi-source data into trusted reporting, actionable insights, and reliable decision support.

I'm currently at Abbott Laboratories, translating Procurement, Finance and Supply Chain needs into defined data requirements, KPI logic and reliable reporting.

I use SQL, Python, Power BI, Advanced Excel, Power Query and DAX to profile, combine and analyse large operational, supplier, financial and performance datasets. I build reusable reporting models and automate reconciliation and reporting workflows to improve consistency and reduce manual effort.

Previously at OneSource Procurement, I led end-to-end analysis from stakeholder discovery through data preparation, modelling, reporting and presentation. I also mentored colleagues on SQL-led analysis, Power BI, validation and documentation.

Across healthcare, commercial and supply-chain environments including Sue Ryder, Field Sales Solutions, Oxford University Hospitals NHS Foundation Trust, Health Education England and AbbVie, I've investigated data issues, strengthened quality controls and translated complex findings into practical actions.

Experience

Work history, roles, and key accomplishments

Current

UK TPM Procurement Analyst – Cost Specialist

Current

Abbott Laboratories

Sep 2023 - Present (3 years)

Elicit and clarify reporting and analytical requirements from Procurement, Finance and Supply Chain stakeholders, translating business needs into defined data fields, metrics, transformation logic and validation criteria. Use SQL, Python, Power BI and Advanced Excel to profile, combine and analyse large operational, supplier, financial and performance datasets from multiple source systems.

SQL Python Power BI Excel Power Query DAX Data Profiling Data Quality Data Modeling Documentation Stakeholder Management Automation

Senior Data Analyst

OneSource Procurement

Aug 2020 - Sep 2023 (3 years 1 month)

Led end-to-end data analysis initiatives from stakeholder discovery and requirements gathering through source assessment, data preparation, modelling, reporting and presentation of findings. Built SQL analytical datasets and Power BI solutions using large multi-source datasets, complex joins, transformations and reusable reporting logic.

SQL Power BI Data Profiling Data Modeling KPI Definition Documentation Mentorship Stakeholder Communication

Clinical Systems Support Analyst

Sue Ryder

Oct 2017 - Aug 2020 (2 years 10 months)

Analysed operational and clinical data using SQL, Python and Power BI, working across multiple systems to identify trends, anomalies, delays and service improvement opportunities. Extracted, cleaned, transformed and validated structured and unstructured datasets, resolving data-quality issues before analysis and publication.

SQL Python Power BI Data Cleaning Data Validation Documentation Root Cause Analysis

Data Insight Analyst

Field Sales Solutions

Aug 2016 - Aug 2017 (1 year)

Analysed customer, sales and operational datasets using SQL, Power BI and Advanced Excel to identify performance trends, behavioural patterns and commercial opportunities. Built reporting datasets, dashboards and recurring KPI reports across customers, sales teams, territories and reporting periods.

SQL Power BI Excel KPI Reporting Data Profiling Data Reconciliation Trend Analysis

BI / QlikView Analyst

Oxford University Hospitals NHS Foundation Trust

Sep 2015 - Jun 2016 (9 months)

Developed QlikView dashboards and SQL reports using large relational datasets to support operational and management decision-making. Gathered stakeholder requirements and translated them into KPI definitions, reporting logic, data views and dashboard specifications.

Qlikview SQL Data Modeling KPI Definition Requirements Gathering UAT Documentation

Statistical Data Analyst

Health Education England

Aug 2014 - Jul 2015 (11 months)

Analysed large workforce datasets using descriptive statistics, time-series analysis, forecasting and comparative methods. Built reports and dashboards highlighting trends, gaps, anomalies and planning implications across organisational areas.

Statistical Analysis Time Series Analysis Forecasting Data Profiling Data Validation Reporting Documentation

Supply Chain / Project Management Assistant

AbbVie Biopharmaceuticals

Jun 2013 - Feb 2014 (8 months)

Analysed supplier, inventory, cost and operational data to identify trends, exceptions and performance issues affecting supply-chain decisions. Produced KPI reports and management information comparing supplier and inventory performance across reporting periods.

Data Analysis KPI Reporting Data Validation Documentation Project Management Supply Chain