TOLUWALASE AGBABIAKA SANUSI
Lagos Nigeria |- |-| WWW: toluwalaseagbabiaka1.github.io/portfoliowebpagee/ |
WWW: linkedin.com/in/toluwalase-agbabiaka-276b38a8
Professional Summary
Analytical and detail-driven Data Analyst with experience in data cleaning, transformation, validation, reporting, and dashboard
creation using Excel, SQL, Power Query, Power BI, and Tableau. Skilled in managing large datasets, optimizing data accuracy, and
generating actionable insights that support strategic decision-making. Strong foundation in financial data handling, customer
operations, and process documentation. Proven ability to improve workflow efficiency, ensure data integrity, and deliver
high-quality analytical outputs.
Core Skills
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Analytical Thinking & Problem-Solving
Attention to Detail
Effective Communication
Cross-functional Collaboration
Time Management & Prioritization
Adaptability and continuous learning, cross-functional
collaboration
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Data Cleaning & Transformation
SQL Querying (Joins, CTEs, Aggregations)
Excel (advanced functions, formulas, automation)
Power Query, Power BI & Tableau Dashboard
Development
Data Validation & Quality Assurance
Process Optimization & Automation
Work Experience
Data Analyst Intern
01/2023 to 01/2025
Quantum Analytics NG
• Cleaned and transformed 5,000+ rows of operational and financial data using Excel, Power Query, and SQL, increasing
reporting accuracy by 30%.
• Conducted data validation and standardization processes that reduced discrepancies by 25%.
• Designed interactive Power BI and Tableau dashboards that improved stakeholder visibility into KPIs and trends.
• Wrote SQL queries to extract, filter, and analyze datasets, reducing data retrieval time by 40%.
• Supported BI reporting initiatives by generating weekly and monthly analytical summaries for decision-making.
Health & Safety Officer
01/2017 to 01/2022
Family Development & Samaritan Foundation
• Implemented governance and reporting frameworks that improved operational compliance by 35%.
• Developed planning tools and performance metrics used to track organization-wide safety targets.
• Monitored project goals and produced progress reports, improving transparency across 5+ departments.
• Maintained detailed safety logs and incident records with 98% data accuracy.
• Trained staff on documentation standards and process consistency, reducing reporting errors by 20%.
Teller Service Representative
01/2015 to 01/2017
Diamond Bank PLC
• Processed an average of 200+ customer transactions daily, maintaining 100% compliance with banking procedures.
• Verified, processed, and reconciled cheques and OBC transactions, reducing processing errors by 15%.
• Assisted customers with transfers, enquiries, and digital banking enrollment, increasing adoption by 20%.
• Conducted daily ATM reconciliation and cash loading with zero discrepancies throughout tenure.
• Provided customer support and accurately documented transaction data to strengthen audit trails.
Data Entry Operator
01/2014 to 01/2015
Access Bank PLC
• Created and updated 1,000+ customer accounts, ensuring 100% data accuracy and regulatory compliance.
• Scanned and uploaded mandate forms, photos, and signatures, maintaining organized digital records.
• Entered and validated sensitive customer data (BVN, identity documents), supporting fraud-prevention efforts.
• Identified and corrected data inconsistencies, reducing rework by 30%.
• Ensured timely documentation updates, enabling smoother customer onboarding processes.
Retail Sales Executive
01/2013 to 01/2014
Fidelity Bank PLC
• Mobilized new individual and corporate accounts, contributing to a 15% branch customer base increase.
• Processed consumer finance loan documentation with zero compliance breaches.
• Coordinated debit card issuance and activation, improving turnaround time by 25%.
• Supported high-value customers with credit card servicing and account maintenance.
• Maintained accurate customer onboarding records, improving data accessibility for account officers.
Education
NYSC
Bayelsa State
01/2012
HND: Industrial Maintenance Engineering
Yaba College of Technology
01/2009
OND: Industrial Maintenance Engineering
Yaba College of Technology
01/2005
Certifications
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Data Analyst, Quantum Analytics NG, 01/01/23
Certified OSH Manager Programme, OSHAssociation UK, 01/01/22
Certified OSH Supervisor Programme, OSHAssociation UK, 01/01/22
Forklift Operator & Safety Training, Equilog Technical Services, 01/01/22
