Yufen Kucharek

Manage and negotiate Long-Term Service Agreements (LTSAs) for utility-scale Battery Energy Storage Systems (BESS) across European markets. Responsible for contract review, commercial and technical risk assessment, warranty and performance guarantees, and cross-functional coordination to ensure contractual compliance and effective service delivery.

Service Commercial & Contract Manager | Sungrow Europe Managed service contracts and Long-Term Service Agreements (LTSAs) for utility-scale solar PV and Battery Energy Storage Systems (BESS) across European markets. Responsible for contract negotiation, commercial risk assessment, warranty and performance guarantees, service pricing, and cross-functional coordination to support project execution and long-term service delivery.

-Utility scale PV/ ESS Product quality assurance, handling quality NCR, claims and quality improvement - Quality reporting with tools such as Ishikawa's charts, managing escalated quality topics and release 8D reports -Service Quality related data analysis via Power BI; creating KPI visualization, reporting and optimization

Product development with knowledge in manufacturing and EU quality standard Quality management of suppliers Quality control with methods from Lean and Six Sigma (DMAIC) Product data analysis with knowledge of SQL and query tools Fast learner of managerial and analysis tools and software (Tableau, Jira, Power BI..) Project management. Building and maintaining review process for high returned products, improving product quality and execute prompt actions for risk control.

Co-leading OEM projects for Microsoft tablet case manufacturing development. PPAP review and management (FAI,CPK,PMP..) Components & accessories management Leading trials runs, DOEs and production line qualification Cooperating with project engineers and customers R&D to solve technical gating points and deliver the project into production

Interior decoration Furniture design Design history