Summary
Overview
Work history
Education
Skills
Languages
Affiliations
References
Timeline
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ADEDEJI OLONIMOYO

Preston

Summary

Results-oriented professional with extensive experience in customer service and case triage within telecommunications and operational sectors. Demonstrated expertise in managing complex inquiries and delivering evidence-based solutions efficiently. Proven track record in team leadership, enhancing performance metrics, and fostering interdepartmental collaboration to improve service delivery. Proficient in stakeholder communication and maintaining data accuracy in fast-paced, compliance-focused environments.

Overview

6
6
years of professional experience
8
8
years of post-secondary education

Work history

Trading Assistant

Sainsbury’s
Manchester
03.2025 - 08.2025
  • Delivered frontline support to over 100 customers each shift, achieving 98% customer satisfaction.
  • Monitored inventory using digital systems, reducing stock discrepancies by 25%.
  • Ensured compliance with Sainsbury’s operational and health & safety standards during all shifts, achieving zero breaches.

Celler Assistant

Manchester United
Manchester
06.2023 - 08.2025
  • Ensured precise stock rotation and inventory control for over 40 matchday events, preventing waste.
  • Maintained beer line systems and CO₂ equipment to comply with UK food safety regulations.
  • Liaised with supervisors to forecast usage demands, achieving zero stockouts at high-traffic events.
  • Reduced surplus stock levels by 15% through effective inventory management.

Remote Administrative Assistant

Sportify Wears
Nigeria
01.2023 - 06.2023
  • Managed over 300 digital order records, ensuring precise data entry without compliance breaches.
  • Facilitated customer and supplier communications, escalating complex queries for swift resolution.
  • Updated internal databases, reducing listing errors by 25% and enhancing access to stock information.

Team Lead

Glo World Nigeria
Lagos
07.2020 - 01.2023
  • Oversaw frontline service team of 8, managing over 150 daily customer interactions.
  • Achieved 25% reduction in repeat visits through improved first-contact resolution.
  • Reviewed and triaged complex customer complaints, enhancing accuracy in issue categorisation.
  • Escalated issues effectively, resulting in 20% improvement in resolution times.
  • Monitored team performance and provided targeted coaching to boost productivity by 30%.

Call Center Representative

Glo World Nigeria
10.2019 - 06.2020
  • Managed an average of 80–100 customer calls daily, logging and categorising service requests efficiently.
  • Achieved over 90% first-call resolution rate, enhancing customer loyalty and team satisfaction.
  • Employed active listening to assess complex issues, ensuring accurate triage and escalation.

Education

Master of Science - Petroleum and Gas Engineering

University of Salford
01.2023 - 05.2024

Bachelor of Science - Applied Geophysics

Federal University of Technology Akure
Nigeria
01.2015 - 10.2021

Skills

  • Analytical thinking and decision-making
  • Customer service and resolution
  • Team leadership and management
  • Case triage and prioritization
  • Verbal and written communication
  • Attention to detail and accuracy
  • Adaptability under pressure
  • Case management expertise

Languages

English
Native

Affiliations

Travelling, mentoring, networking and football.

References

References available upon request.

Timeline

Trading Assistant

Sainsbury’s
03.2025 - 08.2025

Celler Assistant

Manchester United
06.2023 - 08.2025

Remote Administrative Assistant

Sportify Wears
01.2023 - 06.2023

Master of Science - Petroleum and Gas Engineering

University of Salford
01.2023 - 05.2024

Team Lead

Glo World Nigeria
07.2020 - 01.2023

Call Center Representative

Glo World Nigeria
10.2019 - 06.2020

Bachelor of Science - Applied Geophysics

Federal University of Technology Akure
01.2015 - 10.2021

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ADEDEJI OLONIMOYO