MARINA VALENZUELA
Ontario,CA
Summary
Results-driven production professional with focus on meeting high standards and delivering measurable outcomes. Known for effective team collaboration and adaptability in dynamic settings. Expertise in process optimization and quality control, ensuring reliable, high-quality production.
Overview
7
7
years of professional experience
Work History
Production Supervisor
Lubrizol Medical Device Manufacturing
11.2024 - Current
- Managed 25+ employees in a medical device manufacturing environment, ensuring full compliance with FDA, ISO, GMP, quality, and safety regulations.
- Oversaw secondary medical device manufacturing operations, including inspection, trimming, assembly, packaging, and finishing, to meet strict regulatory and customer requirements.
- Utilized QAD to monitor production output, labor utilization, and material consumption, enabling data‑driven staffing and throughput decisions.
- Implemented and monitored key performance indicators (KPIs) to strengthen accountability, improve productivity, and support continuous improvement initiatives.
- Actively participated in multiple Kaizen and 5S events, contributing to workplace organization, waste reduction, improved material flow, and standardized work practices.
- Led daily production huddles and cross‑training initiatives to improve communication, flexibility, and workforce capability within a regulated manufacturing setting.
- Collaborated cross‑functionally with Quality, Engineering, and Maintenance to resolve issues through CAPA investigations and root‑cause analysis, reducing defects and preventing recurrence.
Operations Supervisor
Cencora
01.2023 - 11.2024
- Improved on-time truck departures by 10% yearly, going from 89% on time to 99% within a year. This was influenced by a shipping project that evenly distributes the work throughout lanes and sets the process standard to hold associates accountable for productivity.
- Decreased turnover rate by taking over onboarding, reorganizing the process, and increasing the background process to help retain employees. Within a year, the turnover rate is at 3%.
- Influenced safety culture; has set up a “Safety committee” with monthly safety meetings, recognizing top safety callouts and actioning on those callouts. This led to a decrease in recordable incidents.
- In one year, I have managed over 96 employees across seven departments.
- Developed and implemented new SOPs for our fridge induct operation that resulted in a 50% increase in utilization and a 20% increase in performance.
- Coached and developed my leads, with one resulting in a promotion to supervisor; Helped the lead with communication and conflict resolution skills.
- Manages SOP adherence, builds a team culture and identifies recurring issues resulting in lost inventory.
- Monitors labor management systems daily to ensure the accuracy of associate performance – DC Vision, Manhattan, SAP, Workday, and QlikView.
Operations Supervisor
Caleres Inc. Distribution
01.2020 - 01.2023
- Manage forecasts to optimize staffing, enhancing productivity by 10% and reducing overtime by 4%.
- Coordinate with management for seamless shift transitions, ensuring operational continuity.
- Motivate teams through incentives and recognition, fostering a high-performance culture.
- Lead employee development via training and performance reviews, boosting team effectiveness.
- Implemented 5S in collaboration with engineering, ensuring efficient workflows across facilities.
Operations Supervisor
NFI Industries
01.2019 - 01.2020
- Advised leadership on staffing needs, optimizing workforce allocation for efficient operations.
- Managed bill of ladings and seals, ensuring accurate documentation for driver departures.
- Resolved discrepancies in shipping processes, enhancing operational accuracy and efficiency.
- Utilized SAP, Yard Management, and other systems to streamline daily operations and logistics.
Skills
- Team Leadership,
- Safety Management
- Quality control
- Training and mentoring
- Labor Management Systems
- Performance Metrics
- Continuous improvement
Timeline
Production Supervisor
Lubrizol Medical Device Manufacturing
11.2024 - Current
Operations Supervisor
Cencora
01.2023 - 11.2024
Operations Supervisor
Caleres Inc. Distribution
01.2020 - 01.2023
Operations Supervisor
NFI Industries
01.2019 - 01.2020