Skills

Domain expertise

Marketing analytics: SEM, SEO, email and paid social; marketing-mix modeling, customer lifetime value, CAC and ROAS; Google Analytics 4, HubSpot, Power BI (advanced DAX), Looker Studio, Tableau, Excel (Power Query, Power Pivot, Solver).

Machine learning and data: Python (pandas, scikit-learn, LLM APIs); NLP and transformers (BERT, spaCy); retrieval-augmented generation (LangChain, ChromaDB); SQL (BigQuery, DuckDB); R.

Documentation and engineering: Git, Sphinx, reStructuredText, Diátaxis, Docker.

Certifications

Microsoft Excel Associate (MO-210) · Google Analytics Certification · DataCamp Data Analyst with R · Introduction to Communication Science (University of Amsterdam).

Languages

Greek (native) · English (fluent, IELTS band 8.5).