ADETONA ADEJUMOKE MARY
Surulere
Summary
A financial services professional whose career has been defined by curiosity, precision, and a drive to make things work better. With a background spanning retail sales, fraud analysis, dispute resolution, and Visa card settlement, I bring a rare breadth of experience to every challenge; and a consistent ability to identify gaps, engage the right stakeholders, and deliver solutions that stick. Now looking to take that foundation into a strategy-focused role where operational insight meets big-picture thinking.
Overview
1
1
Certification
9
9
years of professional experience
Work History
Settlement Officer
Sterling Bank
02.2026 - Current
- Managed end-to-end card settlement operations; identified inefficiencies, resolved discrepancies, and implemented process improvements that enhanced reconciliation accuracy.
- Collaborated with internal and external stakeholders including Visa, Unified Payment, and correspondent banks to resolve complex settlement issues and improve process efficiency.
- Analyzed daily transaction data across domestic and international channels to identify trends, anomalies, and operational gaps; a core competency directly aligned with strategic business analysis.
- Raised operational risks to management, facilitating timely resolution and improved operational stability.
Dispute Resolution Officer
Sterling Bank
10.2023 - 02.2026
- Resolved transaction disputes according to CBN regulatory guidelines, ensuring compliance and customer satisfaction.
- Liaised with issuing and acquiring institutions through dedicated portals to facilitate efficient dispute resolution.
- Processed indemnity claims and court orders according to legal requirements.
- Handled recalls of wrongly initiated transfers due to customer or bank errors, minimizing financial impact.
- Engaging the settlement team to ensure timely credit/debit transactions.
- Monitoring dispute portals to detect anomalies or fraud indicators.
Fraud & Transaction Monitoring Analyst
Fintech Farm (FIBO)
03.2023 - 10.2023
- Investigated suspicious patterns and high-risk activities to identify potential fraud.
- Blocked accounts involved in fraudulent activities, safeguarding customer assets and minimizing risk exposure.
- Evaluated effectiveness of internal monitoring procedures to enhance fraud detection capabilities.
- Monitored transactions across channels: App, ATM, POS, Web, ECOM.
- Collaborated with internal and external fraud teams.
- Stayed informed on regulatory updates and financial crime trends.
Fraud & Transaction Monitoring Analyst
First Bank Nigeria
Iganmu
02.2021 - 02.2023
- Identified fraudulent inflows and outflows across customers’ accounts.
- Performed fraud analysis, identifying and reporting blacklisted accounts to mitigate risks.
- Utilized Intellinx for real-time surveillance of transactions to detect anomalies.
- Validated suspicious transactions through over 50 daily calls, ensuring timely fraud resolution.
- Communicated findings across departments to support fraud resolution.
Retail Sales Executive
CS Advance Finance Company
09.2019 - 02.2021
- Increased loan sales by ₦30 million within six months.
- Onboarded clients, managing loan and investment portfolios to ensure tailored financial solutions.
- Reduced client debt profiles by 35% through proactive monitoring.
- Analyzed customer financial data from bank statements and credit bureau sheets to identify lending opportunities.
Programs Intern (NYSC)
Holy Field Private Schools
Lagos
05.2017 - 04.2018
- Led and prepared students for local government debate competition, fostering critical thinking and public speaking skills.
- Collaborated with staff to plan engaging extracurricular programs for students.
- Taught English language, literature-in-English, and phonics to enhance students' language skills.
- Organized educational materials and resources for student learning activities.
- Assisted in classroom management and supported teachers during lessons.
Education
Master of Business Administration -
Ajayi Crowther University
Oyo03-2024
Bachelor of Science - Mass Communication
University of Lagos
11-2016
Skills
- Transaction reconciliation
- Core Banking Applications
- Risk assessment
- Operational analysis
- Data analysis tools
- Process improvement
- Strategic thinking
- Stakeholder engagement
- Collaboration and teamwork
- Problem solving
- Effective communication
Certification
- Introduction to Cybersecurity, Coursera, 12/01/22
- ISO/IEC 20000 IT Service Management Associate, SkillFront, 09/01/22
- ISO 9001 Quality Management Systems Associate, SkillFront, 09/01/22
- Introduction to Cyber Crime, Coursera, 07/01/22
- Introduction to SQL, Coursera, 07/01/22
- Forensic Accounting & Fraud Investigation, Udemy, 03/01/22
Timeline
Settlement Officer
Sterling Bank
02.2026 - Current
Dispute Resolution Officer
Sterling Bank
10.2023 - 02.2026
Fraud & Transaction Monitoring Analyst
Fintech Farm (FIBO)
03.2023 - 10.2023
Fraud & Transaction Monitoring Analyst
First Bank Nigeria
02.2021 - 02.2023
Retail Sales Executive
CS Advance Finance Company
09.2019 - 02.2021
Programs Intern (NYSC)
Holy Field Private Schools
05.2017 - 04.2018
Master of Business Administration -
Ajayi Crowther University
Bachelor of Science - Mass Communication
University of Lagos