MARIANNE ONGKEWIN
Account Executive
Dublin,L
Summary
Client Services and Account Management Professional with 5+ years’ experience supporting high-value clients in digital, retail, and service environments. Skilled at managing day-to-day account activities, building strong client relationships, and driving retention through excellent service delivery. Adept at leading account reviews, reporting cycles, and workflow improvements while ensuring compliance and operational efficiency. Strong background using CRM/ERP tools (Salesforce, MS Dynamics, HubSpot) to manage client activity and liaise across cross-functional teams in logistics, storage, and enhancement services.
Overview
20
20
years of professional experience
1
1
Certification
2
2
Languages
Work History
Digital Advertising Specialist
Microsoft
06.2024 - 06.2025
- - Managed day-to-day account activities for 15+ channel partners, ensuring service delivery met client expectations.
- - Led performance reviews and reporting cycles, providing insights that increased adoption of Microsoft Advertising by 20%.
- - Acted as the “voice of the customer,” escalating issues to internal technical, logistics, and operations teams to resolve challenges.
- - Developed tailored account strategies that improved workflow efficiency and client satisfaction scores.
Digital Sales Executive (Inside Sales)
Bramidan
05.2024 - 06.2024
- - Researched and identified opportunities to improve account management processes, generating a €250K+ pipeline in one month.
- - Maintained accurate client records in CRM, enabling smoother reporting and forecasting.
- - Supported customer retention by collaborating with operations teams to ensure seamless service delivery.
Advertising Account Coordinator
Microsoft (via CPL)
05.2022 - 11.2023
- - Supported 40+ SMB clients, managing onboarding, reviews, and reporting cycles with a 95% satisfaction rate.
- - Acted as escalation point between clients and internal departments, resolving issues 30% faster through proactive tracking.
- - Conducted training and onboarding for 10+ new hires, improving team knowledge and client service consistency.
- - Used data analysis and forecasting to identify growth opportunities and optimize account workflows.
Retail Sales Assistant
Penneys
06.2005 - 04.2022
- - Delivered daily account and customer service for 200+ shoppers, consistently meeting service KPIs.
- - Supported seasonal workforce planning and reporting, improving productivity during peak trading by 15%.
- - Acted as a team lead during busy periods, ensuring smooth operations and high-quality service delivery.
E-Commerce Intern
Mothercare
01.2018 - 06.2018
- - Supported order workflows and reporting processes, improving delivery turnaround times by 12%.
- - Wrote sales-driven product descriptions, boosting online engagement by 10%.
Education
MSc - Digital Marketing
Technological University Dublin
Dublin 204.2022
BSc - Retail & Service Management
Technological University Dublin
Dublin 201.2019
Skills
- Client Relationship & Stakeholder Management
- Account Reviews & Reporting (Power BI, Excel)
- ERP & CRM Systems (Salesforce, MS Dynamics, HubSpot)
- Service Delivery & Retention Strategy
- Workflow & Process Improvement
- Cross-Functional Collaboration (Logistics, Operations, Marketing)
- Training & Onboarding
- Customer Success & Escalation Management
- Target audience identification
- Relationship building
Certification
LinkedIn Learning - Key Account Management Training
Timeline
Digital Advertising Specialist
Microsoft
06.2024 - 06.2025
Digital Sales Executive (Inside Sales)
Bramidan
05.2024 - 06.2024
Advertising Account Coordinator
Microsoft (via CPL)
05.2022 - 11.2023
E-Commerce Intern
Mothercare
01.2018 - 06.2018
Retail Sales Assistant
Penneys
06.2005 - 04.2022
MSc - Digital Marketing
Technological University Dublin
BSc - Retail & Service Management
Technological University Dublin
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