Diana Contreras

Led supply chain transformation initiatives improving OTD from 91% to 97.5% and delivered €300k annual savings by implementing a digital perfect-order dashboard and scaling operational models to reduce lead times and manual waste.

Managed global third-party logistics and distribution networks enabling 80–100% YoY volume growth while maintaining 97% customer service and improving GDP compliance and Brexit-related network transitions.

Managed commercial supply and distribution of ~10M units/month across EMAP, achieving 97% OTIF and delivering a 7% performance improvement through a revamped performance management process.

Optimised in-market vaccine distribution in Africa using data modelling and stakeholder collaboration, raising availability from 85% to 93% and improving regional service levels by 20% via kaizen workshops.

Improved service levels from 65% to 95% and maintained 95 days inventory by leading supplier management, crisis allocations, SKU segmentation, and end-to-end planning and manufacturing transformation.

Performed capacity and value-chain analyses that enabled site transfers, reduced unnecessary inventory worth £20M, and implemented factory cycle-time dashboards to control working capital.

Completed Black Belt training focused on advanced Lean Six Sigma methodologies and continuous improvement techniques.

Completed a course on Supply Chain Digital Transformation focused on digital technologies and strategies for modern supply chains.

Completed Green Belt training in operational excellence focused on process improvement methodologies used within GSK.

Grade: First

Completed a BA (Hons) in International Business with First-class honours, covering international business principles and cross-border commercial practices.