TOLGAHAN YAVUZ — Professional Portfolio

TOLGAHAN YAVUZ — Professional Portfolio
Group Procurement Director · Defense · Automotive · Renewable Energy · AI Automation
About Me
Strategic procurement leader with 16+ years of progressive experience transforming supply chains across defense, automotive, renewable energy, and multinational manufacturing sectors. Currently serving as Group Procurement Director at RS Holding, overseeing procurement operations for 15+ subsidiary companies.
I combine deep industry expertise with cutting-edge AI and automation tools to drive cost optimization, operational efficiency, and digital transformation in procurement. My career spans from engineering Turkey's first indigenous main battle tank (ALTAY) to building AI-powered procurement systems that redefine how organizations manage their supply chains.
Career Timeline
2008
B.Sc. Industrial Engineering, Gazi University
2010–2012
Logistics Engineer at HEMA Corp. · Stock Control Engineer at FIAT S.p.A. · MBA at Beykent University
2013–2018
Senior Purchasing Engineer at Otokar (Defense)
2018–2019
Procurement Unit Manager — ALTAY Tank Project at BMC
2019–2021
Mondi Group (Austria) — first multinational role
2021–2024
Purchasing Manager at Smart Solar Group · Procurement Manager at Green Solar Group
2024–Present
Group Procurement Director at RS Holding (15+ companies)
Defense · BMC Automotive & Defence Corp.
🛡️ ALTAY — Turkey's First Indigenous Main Battle Tank
Role
Procurement Unit Manager (2018–2019)
Key Achievements
Applied Pareto, Kraljic, PESTLE, and Game Theory analyses to optimize procurement strategy
Played a key role in winning the e-auction issued by Turkey's Secretariat of Defence Industries (SSB)
Managed complex contract flow-down from the Turkish Government's main contract to sub-tier suppliers
Coordinated logistics for imported defense-grade materials under strict quality and timeline requirements
Impact
Contributed to a milestone national defense project, demonstrating ability to manage high-stakes, complex procurement in regulated environments.
💰 $100M+ Procurement Transformation
Smart Solar Group · 2021–2023
Key Achievements
Achieved 30–40% cost reduction within one year through cost breakdown analysis, value-based management, and strategic sourcing
Implemented localization, milk-run logistics, kanban, and warehouse automation projects
Eliminated production bottlenecks through 5S and value-added management methodologies
Managed global supply chains spanning Asia, Europe, and North America
Transformed procurement from reactive purchasing to strategic supply chain management, saving tens of millions of dollars annually.
🤖 AI-Powered Procurement Automation
RS Holding · Group Procurement DIrector · 2024–Present
Fleet Management System
AI-driven management of all company vehicles across the holding
Corporate Travel Automation
Automated flight booking and hotel reservation systems
Vehicle Reservation Platform
Demand management system for company vehicle requests
Excel Automation Systems
Data-driven supplier analysis models and cost optimization dashboards
Technologies Used: Python · VBA · Claude/ChatGPT · Hermes AI · Claude Code · Codex · Ollama (local LLM)
Impact: Significantly reduced manual workload and processing time, bridging the gap between traditional procurement and AI-powered decision-making.
🏢 Group-Wide Procurement Restructuring
RS HoldIng · 2024–Present
Unified procurement policies and supplier evaluation frameworks across 15+ companies
Implemented KPI dashboards and Balanced Scorecard systems for all subsidiaries
Established supplier consolidation programs reducing vendor fragmentation
Led contract standardization to maximize corporate value
Transformed a fragmented, company-by-company purchasing approach into a strategic, data-driven group procurement function managing ₺60M annually.
Expertise
Strategic Procurement
Cost Breakdown Analysis · Kraljic Matrix · Pareto Analysis · PESTLE · Game Theory · Value-Based Management · Supplier Relationship Management · Contract Negotiation · Strategic Sourcing
Supply Chain & Logistics
Lean Manufacturing · Six Sigma · World Class Manufacturing · 5S · Kaizen · JIT/JIS · Kanban · Balanced Scorecard · Warehouse Automation · Milk-Run Logistics
Technology & AI
SAP (MM, PP, WM) · MRP/MRP II · Microsoft Azure · Python · VBA · Claude/ChatGPT · Hermes AI · Claude Code · Codex · Ollama
Industries
Defense & Military · Automotive · Renewable Energy (Solar) · Flexible Packaging · Automotive Services · Technology
Education & Credentials
Academic Degrees
Master of Business Administration (MBA)
Beykent University, Istanbul, Turkey · 2012 · WES Accredited
B.Sc. Industrial Engineering
Gazi University, Ankara, Turkey · 2008 · WES Accredited
Language Proficiency
IELTS Academic — 7.5 / 9.0
Very Good User · September 2023
Professional Certificates — Galway Academy (2023)
Business Management
Business Law
Business Writing
Entrepreneurship
Digital Marketing
Microsoft Office
Contact
📧 Email
tolgahanyavuz@gmail.com
📍 Location
Istanbul, Turkey