MARIEL D. QUEBRAL
Calamba
Summary
Results-oriented Continuous Improvement Leader and Operations Manager with 12+ years of progressive experience across logistics, inventory management, and business process excellence. Skilled at driving operational efficiencies, leading cross-functional projects, and developing high-performance teams in multinational settings (Shopee, Fast Logistics). Certified in Lean Six Sigma (Yellow Belt) and ISO 9001:2015 QMS Internal Auditing. Passionate about delivering measurable improvements through strategic process innovation and data-driven decision making.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Inventory Manager
Shopee Philippines
10.2025 - Current
- Supervise warehouse inventory operations, achieving 99%+ inventory accuracy and fulfillment KPIs.
- Develop and implement SOPs that improved productivity and optimized warehouse space utilization.
- Lead and mentor warehouse staff, ensuring operational readiness and future skills development.
- Manage replenishment cycles, physical counts, and system reconciliations to maintain inventory integrity.
Continuous Improvement Manager
06.2024 - 10.2025
- Analyzed and optimized critical logistics workflows, reducing operational bottlenecks and boosting throughput.
- Led cross-functional improvement projects using Lean and Kaizen principles.
- Designed and executed data-driven solutions that improved order fulfillment rates and customer satisfaction KPIs.
- Partnered with logistics, customer service, and product teams to scale operational improvements nationwide.
Business Process Excellence Manager
Fast Cargo Logistics Corp.
08.2016 - 02.2023
- Built and led a company-wide Performance Management System, linking strategic objectives to operational KPIs.
- Drove performance initiatives that improved operational efficiency and reduced reporting delays.
- Led training and coaching programs on performance tracking, strategic goal setting, and continuous improvement.
- Produced high-quality data analysis reports for executive leadership, enabling risk mitigation and growth strategies.
Operational Excellence Supervisor
03.2015 - 08.2016
- Rolled out process improvement frameworks across five major logistics hubs, resulting in 10–15% cost savings.
- Managed implementation and sustainability of FAST Impact Teams for key accounts (Nestle, Unilever, P&G).
Operational Excellence Specialist
09.2013 - 03.2015
- Conducted operational assessments and implemented continuous improvement programs across multiple sites.
- Spearheaded early deployment of process mapping, KPI automation, and Lean-based improvement projects.
Document Management Officer / Management Trainee (IE)
Fast Services Corp.
01.2011 - 01.2013
- Improved ISO document compliance by auditing and streamlining document management processes.
- Assisted in Business Continuity Plan simulations and organizational productivity studies.
Education
Bachelor of Science - Industrial Engineering
Southern Luzon State University
01.2011
Skills
- Continuous Improvement: Lean Six Sigma (DMAIC), Process Optimization, Root Cause Analysis
- Operations & Logistics: Warehouse Management Systems (WMS), Transport Management Systems (TMS), Inventory Control
- Leadership & Management: Cross-functional Team Leadership, Staff Training & Development, Goal Alignment Coaching
- Performance Management: KPI Design & Automation, Quality Management Systems (ISO 9001), Process Audits
- Data & Analysis: Operational Reporting, Risk Assessment, Performance Monitoring
Accomplishments
- Project Flex: Led TMS (Transport Management System) productivity studies and successful project implementation.
- FAST Impact Teams: Nationwide launch of continuous improvement teams for multinational clients.
- KPI Automation Initiative: Streamlined operational performance tracking systems.
- Warehouse Compression Automation: Optimized warehouse space, improving inbound and outbound productivity.
- Inbound and Outbound Productivity Improvement. Implemented strategies and optimized process to improve productivity by 25-30%
- DMAIC Roadshow: Delivered nationwide problem-solving workshops across branches.
Certification
- Lean Six Sigma Yellow Belt — APEX Global (Certified)
- ISO 9001:2015 QMS Internal Auditor — Fast Logistics
- Safety Training for Executives and Managers — PEME Consultancy
References
References available upon request
Timeline
Inventory Manager
Shopee Philippines
10.2025 - Current
Continuous Improvement Manager
06.2024 - 10.2025
Business Process Excellence Manager
Fast Cargo Logistics Corp.
08.2016 - 02.2023
Operational Excellence Supervisor
03.2015 - 08.2016
Operational Excellence Specialist
09.2013 - 03.2015
Document Management Officer / Management Trainee (IE)
Fast Services Corp.
01.2011 - 01.2013
Bachelor of Science - Industrial Engineering
Southern Luzon State University
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