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Focused on building reliable financial insights
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Focused on building reliable financial insights

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TeslimAdeyanju/README.md

Teslim Adeyanju — Financial Data Analyst

Microsoft Certified: Power BI Data Analyst Associate (PL-300) & Azure Data Fundamentals (DP-900) · ACA Chartered Accountant · Transforming finance through Power BI, SQL, Python, Microsoft Fabric and Azure data services.

Teslim Adeyanju on LinkedIn   Teslim Adeyanju on GitHub   Teslim Adeyanju portfolio   FDA Toolkit on PyPI   Microsoft Certified Power BI Data Analyst Associate PL-300   Microsoft Certified Azure Data Fundamentals DP-900


About Me

I am a Financial Data Analyst, ACA Chartered Accountant, and Microsoft Certified: Power BI Data Analyst Associate (PL-300) and Azure Data Fundamentals (DP-900) professional, with over a decade of experience in financial reporting, FP&A and data analytics.

I help organisations turn complex financial data into trusted, decision-ready insight. I combine finance and accounting expertise with Power BI, Microsoft Fabric, Azure data services, SQL and Python to improve reporting quality, automate repeatable processes and strengthen financial controls.

I build Power BI semantic models, star-schema data models, SQL data pipelines and Python-enabled financial workflows. My focus is reliable, scalable and auditable reporting—helping finance teams move beyond spreadsheet-led processes towards governed self-service analytics.

💡 Approach: Finance expertise first; data and automation as the enablers. Clean data, controlled processes and transparent logic make better financial decisions possible.


Qualifications & Certifications

  • Microsoft Certified: Power BI Data Analyst Associate (PL-300) · 2026
  • Microsoft Certified: Azure Data Fundamentals (DP-900) · 2026
  • MSc Finance and Investment Banking (with Advanced Research) — Distinction · University of Hertfordshire, UK · 2024
  • ACA — Associate Chartered Accountant · Institute of Chartered Accountants of Nigeria · 2019
  • Databricks Accredited: Lakehouse Platform Fundamentals · 2026
  • Databricks Generative AI Fundamentals · 2026
  • Xero Certified Advisor · 2025
  • SQL (Advanced) — HackerRank · 2026
  • Python for Data Analysis — SuperDataScience · 2025

Core Expertise

  • Financial Planning and Analysis
  • Budgeting, Forecasting, and Variance Analysis
  • Reporting Automation and Process Optimisation
  • Data Modelling for Financial Analytics
  • Audit Ready Analytics and Control Frameworks
  • Performance Management and Decision Support

Technical Stack

Languages

Data, ML & Analytics

Databases

BI & Reporting

Tools & Workflow


Open Source Project Lead

FDA Toolkit — Enterprise Financial Data Toolkit

PyPI version Python versions License Downloads

I am the creator and maintainer of FDA Toolkit, an open source Python project I architected and developed to solve real world challenges in financial data analysis.

The toolkit enables financial analysts, accountants, and data professionals to produce reliable, auditable, and repeatable analytics by replacing fragile spreadsheet driven processes with structured validation, transformation, and reporting pipelines designed for production use.

Financial analytics capabilities

  • Clean, standardise and validate financial datasets before reporting or analysis
  • Support reconciliations, data-quality checks and traceable financial workflows
  • Automate repeatable finance and FP&A analysis tasks using reusable Python functions
  • Apply audit logging and consistent error handling to strengthen operational control
  • Provide one-line utility workflows, including ftk.quick_clean_finance()
  • Support integration with SQL, Power BI and broader financial-data pipelines

Install:

pip install fda-toolkit

FDA Toolkit overview

View on PyPI  •  GitHub Repository


Selected Portfolio Work

Project Tech Stack Impact Link
NHS Trust Financial Analytics Python, MySQL, SQL, Power BI End-to-end ETL pipeline covering 206 NHS Trusts across 3 financial years — star schema, KPI views, Power BI export View Project
Financial Report Intelligence System Python, Multi-Agent AI, LLM Multi-agent AI platform that extracts financial metrics, flags risk signals, and generates evidence-based commentary from corporate reports View Project
Advanced SQL — Cohort Risk Segmentation MySQL, Advanced SQL, Jupyter Enterprise-grade SQL (25+ queries, window functions, CTEs) segmenting international student risk cohorts from mental health outcome data View Project
Financial Data Pipeline Python, APIs, Pandas, Forecasting Full pipeline from API extraction to data cleaning, automated forecasting, trading simulation, and deployment View Project
ML in Financial Analysis Python, Scikit-learn, XGBoost, Kubernetes Regression for trend prediction, classification for risk assessment, ensemble models for portfolio optimisation View Project
Stock Market Analysis — Tech Giants Python, Pandas, NumPy, Monte Carlo Analysed GOOGL, AMZN, AAPL and MSFT — daily returns, Sharpe ratio, volatility, and 30-year Monte Carlo projection View Project
MySQL — Fundamentals to Advanced MySQL, Python, Jupyter Comprehensive MySQL showcase covering advanced queries, stored procedures, and Python integration for live data frames View Project

GitHub Activity

 


Coding Activity — WakaTime

Total time coded since start

From: 15 September 2026 - To: 22 September 2026

Total Time: 35 hrs 37 mins

Other        34 hrs 15 mins        ████████████████████████░   96.14 %
JavaScript   34 mins               ▒░░░░░░░░░░░░░░░░░░░░░░░░   01.61 %
Org          27 mins               ▒░░░░░░░░░░░░░░░░░░░░░░░░   01.29 %
Markdown     17 mins               ▒░░░░░░░░░░░░░░░░░░░░░░░░   00.81 %
Python       3 mins                ░░░░░░░░░░░░░░░░░░░░░░░░░   00.15 %

Connect

       

Pinned Loading

  1. NHS-Trust-Financial-Analytics NHS-Trust-Financial-Analytics Public

    End-to-end NHS Trust financial analytics: Python ETL pipeline ingesting 6 NHS England TAC Excel files into MySQL, SQL star schema, analytical views, KPI computations, and Power BI export — covering…

    Python 2

  2. NHS-Waiting-List-Analytics NHS-Waiting-List-Analytics Public

    The NHS waiting list grew from 4.4 million in March 2020 to 7.7 million by September 2023 — even as referrals collapsed 40% during COVID. This project builds an end-to-end analytics pipeline to sep…

    Jupyter Notebook 2

  3. Advanced-SQL-Analytics-International-Cohort-Risk-Segmentation Advanced-SQL-Analytics-International-Cohort-Risk-Segmentation Public

    This project applies enterprise-level SQL analytics to a real-world mental health dataset collected from an international university. The analysis examines how length of stay influences depression,…

    Jupyter Notebook 3

  4. Financial-Data-Pipeline Financial-Data-Pipeline Public

    A hands-on roadmap project focused on building a full financial data pipeline—from API data extraction to automated forecasting, trading simulation, and deployment using Python and modern data tools.

    Jupyter Notebook 2

  5. Financial-Performance-Analytics-PowerBI Financial-Performance-Analytics-PowerBI Public

    Power BI Financial Data Analysis A comprehensive financial performance analytics model built with Microsoft Power BI, demonstrating star-schema data modelling, Power Query transformations, and a st…

    1

  6. Financial-Report-Intelligence-System Financial-Report-Intelligence-System Public

    Financial Report Intelligence System — Multi-agent AI CLI for financial analysis, metrics extraction, risk identification, and narrative generation

    Python 2