Ender Sari
Expertise
- Yandex Search (2024–2025): Data Scientist, analyzing search queries, clustering, and delivering insights to enhance SERP quality and user retention.
- Afiniti (2022–2024): Data Scientist, built and optimized product recommendation models, applied A/B testing and bootstrapping, driving a 5% sales revenue increase.
- Brisa (2020–2022): Developed ML-based SKU prioritization process, improving inventory efficiency by 20%.
- Unilever (2018–2020): Worked on data analytics for forecasting accuracy by combining human judgment with ML models.
- Philip Morris International (2018): Data Analytics Intern, built forecasting models and dashboards, achieving 10% forecasting accuracy improvement.
- Teaching Assistant at Sabancı University for multiple courses, including Decision Analysis, Operations Research, Simulation, and Machine Learning.
- MSc & BSc in Industrial Engineering, Sabancı University (graduated 1st in class, full scholarship).
Mission
- Passionate about turning business problems into data questions
- Driven by the belief that data science resolves disagreements, improves decisions, and creates real business value
- Advancing expertise through a Master’s in MTE with a minor in Data Science, supported by a Master of Excellence Fellowship