Non-governmental organization (children care / Wildfire)
Yavuz Dusmezkalender
EMEA Commercial Manager
Bursa
Summary
Senior commercial, procurement, and supply chain leader with 15+ years of experience across global OEM, Tier-1, and international manufacturing environments including Stellantis, Renault, Yazaki Europe, and Shenzhen Johnhalm PDTec. Strong background in business development, strategic sourcing, supplier localization, cost optimization, and international procurement and supply chain management across automotive and defense industries.
Skilled in commercial negotiations, supplier ecosystem management, sourcing transformation, procurement digitalization, and building strong international customer and supplier relationships across Europe, Turkey, and China. Open to international leadership opportunities.
Overview
2
2
Languages
5
5
Certificates
15
15
years of professional experience
Work History
EMEA Commercial Manager
Shenzhen Johnhalm PDTec
Bursa - Shenzhen, Turkey - China
10.2025 - Current
- Leading commercial business development activities across EMEA region for automotive and defense industry customers, with a strong focus on sales growth and strategic sourcing projects.
- Managing end-to-end RFQ acquisition and conversion processes including customer communication, NDA execution, technical alignment, costing coordination, quotation strategy, and commercial negotiations.
- Established commercial relationships and signed NDAs with 46 automotive, technology and defense companies across Turkey and Europe.
- Secured and managed RFQ packages covering 186 components including CNC machining, Aluminum high pressure casting, iron casting, sheet metal brackets, plastic components, mechanical assemblies, surface treatment, coating, and industrial manufacturing parts.
- Successfully converted 11 RFQs into serial business/orders by achieving 40–70% cost reductions for customers through sourcing, process optimization, and commercial negotiations.
- Leading and coordinating internal costing and procurement functions for material sourcing, supplier selection, quotation preparation, and price benchmarking activities.
- Conducted tooling sourcing and commercial negotiations; managed 7 tooling quotation projects and finalized 2 tooling awards with approximately 40% cost improvement.
- Successfully sourced mica plates and industrial tapes from China with approximately 55% cost reduction compared to existing supply conditions.
- Supporting international sourcing, supplier development, and supply chain optimization activities between China, Turkey, and European customers.
- Actively participating in international trade fairs, customer visits, and business development activities within the automotive and defense sectors across Turkey and Europe.
- Experienced in cross-functional coordination between engineering, purchasing, suppliers, and customers in technically demanding and cost-sensitive projects.
Senior Advanced Purchasing Manager
Yazaki Europe
Bursa, Turkey
11.2022 - 06.2025
- Leading the EMEA advanced purchasing team, which consists of 8 buyers and has a turnover of €400 million (Electrical Distribution systems; Sheet metal brackets, copper busbar, plastic brackets, sub-assembly wires, ethernet cables, fixation elements, terminals, connectors)
- Responsible for the growth of the purchasing organization in Turkey. (Added 3 managers and 11 buyers in Turkish organiation)
- To find Low-Cost Countries and suppliers. (+6 suppliers in 2024/5)
- Strategic Supplier selection. (Added 1 supplier in 2025)
- Sourcing management and local supplier turnover increase. (107 components sourced locally in 2024–2025)
- Financial growth of the business units (costing & pricing). (10m€ buy/sell gap founded and actions defined)
- Logistic flow standardization and logistic hub operations.
- New component sourcing. (170 different component sourcing completed with 7,5 m€ saving realized from budget)
- Logistic management (Replacement of overseas suppliers with their local footprint in EMEA)
- Vertical Integration, to increase Yazaki content in EMEA product group. (Airbag squib sub-assemblies)
- Manage relationships with senior and executive stakeholders. (monthly KPI meeting with VP)
- Accountable productivity / cost efficiency targets (payment standardization).
- Drive/Implement strategic goals from overall procurement strategy. ( Defined -7,5m€ saving target in 2025 serial term as technical and commercial)
- Manage supplier and customer relationships.
- Sub-contractor management. ( Contract agreements and monthly buy/sell price escalations and its management)
- Green purchasing,recycled material. Personal projects.
- RPA (Robotic Process Automation). Personal projects.
Purchasing Responsible
Tofaş - Stellantis
Bursa
01.2020 - 11.2022
- Responsible for 85 Mio€ turnover product group. This group includes 18 different tier1 suppliers. (Shock absorbers, Drive lines, stabilizer bars, steering system, iron casting, forged steel, and machined products).
- Localization activities for Stellantis brands (Peugeot, Citroen, Opel, and Fiat). Realized projects: Doblo 305mm brake disc, Fiat 500 front hub, Fiat 500 Abarth front hub localized in Turkey. (with 3 localization reached 1,2 m€/year saving.)
- Industry 4.0: Building robotic product lines for tier1 suppliers. Fiat Tipo front hub and rear spindle robotic lines built and reached 5 FTE saving in tier-1 plant.
- Standardization: 2 Machining supplier fixtures standardized for casting brackets and forged brake hubs.
- Building component purchasing strategies and KPI's with suspension team and ensuring their feasibility with Stellantis value optimization and purchasing counterparts.
- Sourcing, Relocation and Change Management, including developing commodity sourcing strategies.
- Price escalations with tier1 and tier2. (Weekly follow up and in line with macroeconomics, LME, steel, gray Iron, ductile iron, and scrap market values)
- RPA – Robotic Process Automation, Price History creation.
Project Responsible (New LCV Doblo)
Tofaş - Fiat Chrysler Automobiles, FCA
Bursa - Turin
04.2018 - 01.2020
- Responsible for chassis architecture and phases of New Doblo Project.
- Leading chassis team with 7 engineers. (4 Tofas and 3 FCA project chiefs).
- 360 HR evaluation result is 4,6/5. Selected managerial candidate by R&D top management.
- Certified in Problem Solving with Quantum.
- Setting up the necessary resources (purchasing, production, technology, quality) for the execution of the project.
- Building codesign, investment and engineering budgets for each different 5 engine and 6 bodies (with BEV)
- Definition of the chassis concept and its selection for all related market with FCA/Tofas teams.
- Responsible for supplier selection and management.
- Negotiation for component tooling and process investments with tier1 suppliers.
- Representing FCA chassis project team to customers and FCA/Tofas top management; controlling and managing interface and relationship. Managing internal and external communication loop.
Project Responsible (New LCV Fiorino/Qubo )
Tofaş - Fiat Chrysler Automobiles, FCA
Bursa - Turin
07.2016 - 04.2018
- Managed 1.2 M€ quality and 300k€ cost reduction budget. Solved 2 main quality issues (brake distance and steering hardness). Realized 8,7 €/vehicle cost reduction with 368 k€ investment saving.
- Managed Urea (Ed6), 1.3 Diesel and 1.4 Gasoline vehicle face lift projects.
- Responsible for supplier selection.
- Leading chassis project team with 4 engineers (1 FCA and 4 Tofas project chiefs).
- Negotiation for component tooling and process investments.
- Responsible for foreign supplier cost agreements, target settings.
- Preparation of codesign, investment and engineering budgets.
Project Chief (Doblo US and Fiat Egea/Tipo)
Tofaş - Fiat Chrysler Automobiles, FCA
Bursa - Turin
07.2013 - 07.2016
- Promoted as 'Appreciated Project Chief' by Fiat Chrysler R&D management.
- Winner of Tofas My Project competition with 'Innovative air vent system project'
- Build budget and targets for each component and supplier.(14 components, 11 suppliers)
- Preparation and execution of the project plan of Chassis.
- Managing specialists and designers in design changes and creating product cards.
- Cooperation with cost team and purchasing to control the timing and budget of the suppliers.
- Preparation of lesson learns and risk assessments.
- Cooperation with technology and assembly teams for process verifications.
- Creating design checklists for each component and Co design supplier development plans.
Product Engineer (Megane and Clio IV)
Group Renault
Bursa
04.2011 - 07.2013
- Product responsible for exterior body parts (bumpers, mechanisms, sealing, lights)
- Responsible for design modifications and generalizing with other Renault plants.
- Creating temporary and permanent solutions for part design and quality problems.
- Engineering Monozukuri Leader; Aim is to make unifications and create new ideas with team and their applications in Plant.
- In R&D organization selected as a potential candidate in March 2013.
Education
Master of Science - Mechanical Engineering (Master Thesis)
Marche Polytechnic University
Ancona, Italy 04.2001 -
Master of Science - Mechanical Engineering
Istanbul Technical University
Istanbul 04.2001 -
Certificate - Project Management
Wentworth Institute of Technology
Boston, USA 04.2001 -
Bachelor of Science - Mechanical Engineering
Osmangazi University
Eskisehir 04.2001 -
Skills
Purchasing and contract management
Sourcing strategy development
Negotiation
Financial analysis
Strategic planning
Analytical decision-making
Supplier management and development
Team management
Organizational leadership
Coaching and mentoring
Sub-contractor management
Accomplishments
Green Purchasing with recycled and bio material
(04/2024-05/2025)
Aim is to decrease cost (-30%) and carbon foot print(-50%). 2 components selected. Proto parts produced in serial suppliers. Geometrical checks and physical tests completed except durability. Target to be in serial in January 2026.
Robotic Process Automation (RPA)
(12/2024-09/2025)
To create price list automatically for more than 6 plants 8 projects. Its going to be used for 14000 different components for monthly price list. It will effect -0,8 FTE in purchasing organization.
Patents as an Inventor
1- Publication No: WO2016072951 - A PARKING METHOD
2- Publication No: WO2016064361 - A REAR VIEW SYSTEM
3- Publication No: WO2017180077 - AN AIR BLOWER FOR VEHICLES (winner project and group in Fiat)
Interests
Cooking (Worked in italian cafe in USA and Italy)
Basketball (was a licensed player in a team)
Certification
Yazaki Senior Leadership (Yazaki Portugal)
Timeline
EMEA Commercial Manager
Shenzhen Johnhalm PDTec
10.2025 - Current
Yazaki Senior Leadership (Yazaki Portugal)
04-2025
Senior Advanced Purchasing Manager
Yazaki Europe
11.2022 - 06.2025
CIPS certificate (Koc University)
10-2021
Sourcing Management (Stellantis)
01-2020
Purchasing Responsible
Tofaş - Stellantis
01.2020 - 11.2022
Project Costing and Planning (FCA)
09-2019
Project Responsible (New LCV Doblo)
Tofaş - Fiat Chrysler Automobiles, FCA
04.2018 - 01.2020
Project Responsible (New LCV Fiorino/Qubo )
Tofaş - Fiat Chrysler Automobiles, FCA
07.2016 - 04.2018
Project Chief (Doblo US and Fiat Egea/Tipo)
Tofaş - Fiat Chrysler Automobiles, FCA
07.2013 - 07.2016
Coaching&Mentoring (continuously every year)
07-2011
Product Engineer (Megane and Clio IV)
Group Renault
04.2011 - 07.2013
Master of Science - Mechanical Engineering (Master Thesis)
Marche Polytechnic University
04.2001 -
Master of Science - Mechanical Engineering
Istanbul Technical University
04.2001 -
Certificate - Project Management
Wentworth Institute of Technology
04.2001 -
Bachelor of Science - Mechanical Engineering
Osmangazi University
04.2001 -
Languages
English
Italian