Aitor Querol
Senior Project Buyer @ H55
About
Driving Startups from Concept to Series Production. • Global NPI Lead: Architecting the transition from Design (DO) to Production (PO); managing the full product lifecycle for high-stakes aerospace systems. • MFT & D&B Management: Leading Multi-Functional Teams for Design & Build battery cell projects across US, EU, and China. • Technical Scale-up: Proven track record from Co-Founder & Technical Lead to COO/General Manager; engineered the operational growth from prototype to industrial reality. • Quality & Compliance: APQP champion and PPAP expert; ensuring rigorous standards in complex, regulated supply chains. • Global Footprint: Project leadership experience across Spain, Germany, Switzerland, China and Taiwan. • Multilingual Bridge: Native-level technical operations in English, Spanish, and Mandarin (EN-CN-ES).
Switzerland
Sion
Aviation & Aerospace
Strategy, Contract Negotiation, Manufacturing Engineering, Manufacturing Operations Management, Cost Management, Cost Engineering, Product Management, Operations Management, Purchasing, Global Sourcing, People Management, Microsoft Office, Microsoft Project, Microsoft Power BI, Quality Management, Mechanical Engineering, AutoCAD, Strategic Sourcing, Procurement, Supply Chain Management
Experience

Supply Chain Manager - Battery Cells
Munich
Responsible for supplier development and industrialization of Battery Cells, applying APQP and PPAP methodology, and MRL for production readiness. Lead a multi-functional team comprising engineers, logistics, procurement, and quality for NPI. Manage suppliers in the US, Europe, and China from tier-2 to final product.

Procurement & Supply Chain Manager
Shenzhen, Guangdong, China
Leading a China-based supply chain in mechanic and electronics components up to tier-3 deep and an assembly line final product. In charge of suppier search, audit and selection, contract negotiation as well as DFM, NPI and quality.

COO
Barcelona Area, Spain
As a COO and General Manager, my primary responsibilities are: Leading strategic projects (such as proprietary Li-ion Battery development) Leading strategic outsourcing (from marketing as partial outsourcing to technical assistant full outsourcing) Total Cost of Ownership (TCO) optimisation Lead time reduction Supply Chain Risk Management Recruiting and People Management Crisis Management (internal and external) Set up preventing quality management

Procurement and Supply Chain Manager | Expat Taiwan
Taichung City, Taiwan
In the first phase, I created the supply chain for Carmela Bikes related to components sourced from Taiwan and China. I was focusing on tactical purchasing activities and project management: NPI and early supplier involvement Determine and negotiate specifications with internal customers Conducting RPA and supplier selection Contract negotiation and management Manage product production from C-lot, validation and SOP. Conducting Made-to-Speck components certification As the supply chain was created and mass production in operation, my responsibilities shifted to conduct operational excellence: Ordering, controlling and evaluation. Supplier risk evaluation and management up to tier-3 Pro-active collaboration with partner suppliers to sustain quality standards while achieving cost savings. Quality assurance and management Conducting supplier audits Supplier continuous improvement

Lead Mechanical Engineer | Co-Founder
Barcelona Area, Spain
After setting up a new Start-Up company, my primary responsibilities as a Product Development / Mechanical Engineer were: Develop mechanical parts of electric bicycle such as frameset and battery case using Solid Works and technologies like hydroforming, machining, injection, and rotational moulding, among others. Negotiate with stylish designers (from Concept to product) FEA Analysis using ANSYS Manage product's BOM Follow EN-ISO4210 and EN15194 Contact and involve new suppliers Manage prototype manufacturing iteration (3D printing FDM and SLS) D-Lot prototype manufacturing with pre-selected suppliers and validation

Mechanical Engineer
Aurelio Querol
Albocácer, Valencian Community, Spain
Having obtained my bachelor's diploma, I continued expanding the company portfolio for 100+ products, including: Silos up to 150 m³ (117 t), tanks, oil decanters, hoppers, and honey extract machinery, among others.

Mechanical Technician
Aurelio Querol
Albocasser, Valencian Community, Spain
After years of working as part-time work in the family business in the Farming & Livestock Industry and participating in the manufacturing process as a welder and boilermaker, I was asked to take a step further and bring new technologies to the company: Set up a technical office to implement new products using 2D CAD software (Draftsight) and CAM software (JETCAM). Leading the implementation of CNC punching machine in company value. Partnership with laser and water cut suppliers. The benefits of bringing these technologies from supplier to internal factory were: Reduce inventory, improve the cash flow company, ability to customise products to customers' needs, etc. Hereafter, my position switched to mechanical product designer and CNC programmer bringing products from concept to prototype, mainly as a remote job while enrolled on bachelor's degree.
Education
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