Gülin Işıkel

Business Analyst with 3+ years of experience in data analytics, product ownership, process improvement, and enterprise AI.

Combines

Industrial and Computer Engineering backgrounds with hands-on SQL, Python, and cross-functional delivery experience to translate business challenges into data-driven solutions.

Generative AI Business Analyst at Yapı Kredi Technology (2026-06 – 2026-09)

• Shaped an AI legal assistant's scope through stakeholder interviews, process analysis, and SQL-based feasibility assessment.
• Investigated production RAG/LLM issues using Oracle SQL, categorizing quality problems across 12 defect types and identifying root causes in retrieval, reranking, and response generation.
• Translated user feedback and AI response-quality issues into structured test cases, supporting ground-truth validation and LLM evaluation.
• Contributed to the definition of 8 KPIs for an enterprise agentic AI platform, covering performance measurement, ownership, data sources, and lifecycle considerations.

Data Analyst & Product Owner at KOTON (2024-09 – 2026-06)

• Owned QuickApp’s roadmap and backlog, translating business needs into product improvements and coordinating technical delivery.
• Built a Python forecasting and GenAI PoC to streamline a recurring 2–3 hour sales deviation-analysis process.
• Fixed a data-modeling defect causing 2x metric inflation by correcting SQL joins and validating reporting accuracy.
• Reduced dashboard refresh time from hours to 21 seconds by optimizing SQL pipelines with staging tables.

Kérastase Marketing Intern at L’Oréal (2023-07 – 2024-08)

• Analyzed CRM, e-commerce, and campaign performance data to identify customer behavior trends and support data-driven commercial decisions.

IT Project Student at BSH Home Appliances Group (2022-10 – 2023-02)

• Supported Agile IT projects through requirements analysis, workflow documentation, user story breakdown, and collaboration with Product Owners and engineering teams.

Jr. Marketing Specialist | Content & Insight Lead · Full-time at YOUTHALL (2020-12 – 2022-10)

• Led market research, competitive benchmarking, and Gen Z studies with 2K–4K+ respondents, including a published Quiet Quitting study.
• Built and led a 20+ person cross-university team, coordinating initiatives that contributed to 2.5M+ monthly views and 20K+ downloads.

B.Sc. in Industrial Engineering (Full Scholarship) – Doğuş University (2019 – 2024)

B.Sc. in Computer Engineering (Double Major) – Doğuş University (2019 – 2024)

Erasmus Exchange Program in Engineering & Data – Universitat Autònoma de Barcelona (UAB) (2023-02 – 2023-07)