TAIWO AFOLAYAN

TAIWO AFOLAYAN

Senior Data Analyst & Business Intelligence Specialist
Surulere, 101283, Lagos, Nigeria.

About

A highly accomplished Senior Data Analyst and Business Intelligence Specialist with over 10 years of experience driving digital transformation across telecommunications, consulting, and financial services. Proven track record in architecting enterprise data warehouses, optimizing automated ETL pipelines, and translating complex transactional data into high-impact executive dashboards. As a Fellow of the Institute of Management Consultants (FIMC), I combine deep technical mastery in SQL, Power BI, and cloud ecosystems with strategic leadership to mentor technical teams and unlock measurable business growth.

Work

Ernst & Young (EY)
|

Data Analytics Consultant – Climate Change & Sustainability

Marina, Lagos Island, Lagos State, Nigeria

Summary

Currently leading data analysis to assess climate risks and environmental impact, developing data-driven ESG models, and integrating predictive analytics into sustainability programs for clients.

Highlights

Developed and deployed data-driven ESG models, reducing environmental risk indicators by up to 18% across evaluated client portfolios through comprehensive climate risk and environmental impact analysis.

Engineered automated data pipelines and optimized models using Python and SQL, enhancing data architecture reliability by 30% and accelerating Power BI dashboard refresh performance by 50%.

Integrated predictive analytics into sustainability programs, collaborating cross-functionally to deliver strategic recommendations that reduced projected carbon emissions for clients by 12-20%.

Translated complex data architecture and analytical findings into clear, interactive executive dashboards, effectively communicating actionable climate insights to corporate stakeholders and regulatory entities.

Ernst & Young (EY)
|

Data Analytics Consultant - Audit & Revenue Assurance

Marina, Lagos Island, Lagos State, Nigeria

Summary

Designed and executed robust data architectures, spearheaded digital audit transformation, and mentored junior analysts to improve data delivery and governance standards.

Highlights

Designed and executed robust SQL, ACL, and Alteryx-based data architectures for cross-sector audits, improving overall data accessibility by 30%.

Spearheaded digital audit transformation initiatives by automating manual extraction workflows across 10+ legacy ERP systems (including SAP and Oracle Financials), significantly boosting efficiency and reporting compliance.

Directed and mentored a high-performing team of junior analysts, accelerating technical capability and data governance standards to improve overall team delivery metrics by 25%.

Bluechip Technologies Limited
|

Senior Data Analyst II

Victoria Island, Lagos State, Nigeria

Summary

Constructed automated ETL pipelines, built performance tracking dashboards for digital banking channels, and maintained 24/7 SLA support for Network Management Systems.

Highlights

Leveraged Hadoop, Hive, and Azure Synapse ecosystems to construct automated ETL pipelines, processing massive scale datasets for corporate banking clients.

Built performance tracking themes and high-level KPI dashboards for digital banking channels, enhancing executive decision-making speed and accuracy.

Maintained a 24/7 Service Level Agreement (SLA) support matrix for the Network Management System (NMS), achieving a consistent 95% compliance rate.

Octave Analytics & Insights Limited
|

Senior Data Analyst

Yaba, Lagos State, Nigeria

Summary

Translated millions of rows of transactional data into predictive models and partnered with stakeholders to align product analytics with marketing campaigns.

Highlights

Translated millions of rows of banking and fintech transactional data into predictive models for customer segmentation, lifetime value optimization, and churn prediction.

Partnered with cross-functional stakeholders to align product analytics with targeted digital marketing campaigns, yielding a 20% increase in overall operational service efficiency.

Nairtime Nigeria Limited
|

Business Intelligence Developer

Victoria Island, Lagos State, Nigeria

Summary

Managed enterprise data warehouse systems and BI infrastructure, and overhauled legacy ETL scripts and database queries.

Highlights

Managed enterprise data warehouse systems and BI infrastructure running on Oracle, PL/SQL, OBIEE, and Linux environments.

Overhauled legacy ETL scripts and database queries, boosting processing speeds by 30% while securing rigorous data integrity across multi-national instances.

Coker Aguda Local Government District Area
|

Human Resources Trainee (NYSC)

Lagos, Lagos State, Nigeria

Summary

Completed a mandatory national youth service program, gaining foundational experience in human resources operations.

Volunteer

JCI Lagos Metropolitan
|

Chairperson | Future Leaders Lab

Summary

Chaired the Future Leaders Lab, fostering leadership development.

Professor Ayodele Awojobi Design Competition (PAADC)
|

Technical Judge & Reviewer

Summary

Served as a Technical Judge and Reviewer for the PAADC, evaluating design projects.

Tony Elumelu Foundation (TEF) Entrepreneurs
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Professional Mentor

Summary

Mentored entrepreneurs supported by the Tony Elumelu Foundation.

African Youth Union Commission (AYUC)
|

Lagos State Coordinator

Summary

Coordinated activities for the African Youth Union Commission in Lagos State.

Volunteer Teachers' Club
|

Volunteer ICT Teacher

Summary

Volunteered as an ICT Teacher, contributing to community education.

JCI Ikeja
|

Program Partner & Facilitator | Tech Academy

Summary

Partnered and facilitated programs for the Tech Academy, supporting technological skill development.

Education

Miva Open University
Abuja, Abuja, Nigeria

Master of Business Administration (MBA)

Finance

Grade: 4.78/5.0

Ahmadu Bello University
Zaria, Kaduna State, Nigeria

Master's Degree

Information Management (MIM)

Grade: 4.0/5.0

Ajayi Crowther University
Oyo, Oyo State, Nigeria

Bachelor of Science (Hons)

Computer Science

Grade: 3.64/5.0

The Federal Polytechnic Ede
Ede, Osun State, Nigeria

Higher National Diploma (HND)

Computer Science

Grade: 2.89/4.0

The Federal Polytechnic Ede
Ede, Osun State, Nigeria

National Diploma (ND)

Computer Science

Grade: 3.22/4.0

Awards

Awardee | JCI Nigeria Star Member & JCI Nigeria Ambassador

Awarded By

JCI Nigeria

Recognized as a Star Member and Ambassador for JCI Nigeria.

Scholar | Data Community Africa/DataCamp

Awarded By

Data Community Africa/DataCamp

Awarded a scholarship for contributions and commitment to the data community.

Honouree | JCI Ten Outstanding Young Persons (ΤΟΥΡ) of Nigeria (Humanitarian and Leadership)

Awarded By

JCI Nigeria

Honored as one of JCI's Ten Outstanding Young Persons of Nigeria for contributions in Humanitarian and Leadership.

Scholar | Ingressive for Good

Awarded By

Ingressive for Good

Awarded a scholarship by Ingressive for Good.

Humanitarian of the Year | Prestigious Online Presence Awards (POPА)

Awarded By

Prestigious Online Presence Awards

Awarded for significant contributions as 'Humanitarian of the Year'.

Scholar | Google Africa Developer

Awarded By

Google Africa Developer

Recognized as a scholar by Google Africa Developer program.

Fellowship Alumnus | YALI Regional Leadership Center West Africa (Online Cohort 11)

Awarded By

YALI Regional Leadership Center West Africa

Recognized as a Fellowship Alumnus for participation in Online Cohort 11.

Winner | MTN Nigeria TechFest Trivia Competition

Awarded By

MTN Nigeria

Awarded for winning the MTN Nigeria TechFest Trivia Competition.

Languages

Yoruba

Native

Arabic

Basic

English

Fluent

Certificates

Google Data Analytics Professional Certificate

Issued By

Google

DataCamp Data Analyst with Python Track

Issued By

DataCamp

Quantic School of Business and Technology MBA Fundamentals

Issued By

Quantic School of Business and Technology

EF Standard English Test English Certificate 70/100 (C1 Advanced)

Issued By

EF Standard English Test

New Horizons Oracle 11g DBA (SQL, Associate & Professional)

Issued By

New Horizons

Cybrary Fundamental Linux Administration & ITIL Foundation V3

Issued By

Cybrary

Fellow (FIMC)

Issued By

The Institute of Management Consultants

Certified Management Consultant (CMC)

Issued By

The Institute of Management Consultants

Member | Data Science Network (DSN)

Issued By

Data Science Network

Associate Member | African Data Engineering and Science Association (Ass. M-ADESA)

Issued By

African Data Engineering and Science Association

Skills

Data Analysis & Visualization

SQL, Power BI (DAX), Tableau, Think-Cell, OBIEE, Oracle Analysis Service (OAS), TIBCO Spotfire, Alteryx, ACL, MS Excel.

Data Engineering & ETL

SSIS, SSMS, Hive, Hadoop, Python, R, PL/SQL, Shell Scripting (Linux), Azure Data Factory.

Database & Cloud Management

SQL Server, Oracle (10g-19c), MySQL, PostgreSQL, BigQuery, Microsoft Azure (Synapse, Analysis Services).

Productivity & Design Tools

Git, Azure Data Studio, Jupyter Notebook, KNIME, Figma, Adobe Photoshop.

Core Competencies

Data Warehousing, Data Modeling, Reporting Automation, Stakeholder Engagement, Process Improvement, Agile Project Management, Team Leadership.

Projects

Open Data Ecosystem Project (NIBSS, CBN, LBS, Bill & Melinda Gates Foundation)

Summary

Architected a comprehensive financial inclusion data warehouse utilizing NIBSS SSDS and GRID3 datasets to build visualizations identifying banked, unbanked, and underbanked populations.

Customer Value Management & Data Analytics (First City Monument Bank)

Summary

Designed and deployed predictive models for customer dormancy base health checks, channel utilization, and automated cross-selling product recommendation engines.

Enterprise Data Warehouse Deployment (Wema Bank, Nigeria)

Summary

Co-developed and deployed a scalable data warehouse leveraging Azure Synapse and Power BI, centralizing retail banking data.

Business Intelligence Optimization (9mobile, Nigeria)

Summary

Audited and streamlined structural BI reporting tools (NMS, AIMS, Bill Processing, SMT), driving faster internal operational processing times.

MTN XtraTime Platform (MTN Nigeria/Zambia/Uganda)

Summary

Engineered back-end data warehousing, data analysis, and reporting frameworks for the XtraTime application micro-loan system.