Efe Coştu

Commercial strategy and key account management for Turkey's largest industrial enterprises across energy, automotive, mining and manufacturing.

• Market research and strategic analysis to identify growth opportunities and shape account-specific commercial strategies.
• Pricing analyses, P&L models and ROI assessments (SQL, Excel, Power BI) supporting investment decisions on key accounts such as Tüpraş and Ford.
• Day-to-day commercial operations on SAP S/4HANA and SAP Ariba — procurement workflows, order management and reporting.
• End-to-end coordination across logistics, finance and technical teams with structured follow-up and accountability.

Data-driven operations support for the air freight division of the world's largest logistics group.

• Analysed large operational datasets with SQL and Excel to produce KPI and budget-forecasting reports for senior management.
• Identified bottlenecks and drove process improvements; automated procurement request-to-approval cycles with n8n.
• Research conducted here became a peer-reviewed publication on air freight specialist evaluation (IEOM 2024).

Started during my MSc: SEO, AI-driven search visibility and Google Ads for a UK print agency — a 45% average increase in qualified inbound traffic.

Sales department of an automotive seat-belt manufacturer; researched and worked on the company's ERP system.

Scholarship student role supporting 500+ international students with documentation and study-abroad consulting.

Production planning internship at a leading machinery manufacturer, working alongside the industrial engineering team.