Moto dei
Principal Data Scientist | AWS SAA | AWS ML Specialty | Certified Actuary
- Role
- Principal Engineer, Data Science at NBCUniversal
- Location
- New York, NY, US
- LinkedIn followers
- 500 followers
About Moto dei
Connection requests are welcomed! Motoharu DEI has been a data scientist…
Experience
Principal Engineer, Data Science
Jan 2023 — Present · New York, NY, US
Lead an ad tech forecasting team at NBCUniversal, directing young data scientists. Develope and maintaine an advanced, large-scale time series model stack to predict future impressions and reaches for linear and digital video views, involving 1 million units. Streamlined data ingestion and data science model engines by automating processes through AWS services and Airflow, in collaboration with the BI and Data Engineer teams. Forecaster modernization with the use of AI approaches. Time-series model MAE improvement from 50-70% to 0-20%. Turnaround reduction from 5-7 days to 1-2 days by replacing manual processes with a stack of Airflow DAG layers.Technical Proficiencies- Languages & Tools: Python, SQL, PySpark, Scala- Platforms: Spark, Airflow, AWS, Gitlab- Specializations: Time series models, Optimization techniques, Deployment engineering
Education
The University of Tokyo
Master of Science - MS
2001 — 2007
École Polytechnique
Data Science Summer School (June 2019)
2019 — 2019
Data ScienceTech Institute
Applied MSc
2019 — 2020
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