Mesbah Najafi
Data Scientist | Machine Learning | GenAI
- Role
- Data Scientist at RRD
- Location
- San Mateo, CA, US
- LinkedIn followers
- 500 followers
About Mesbah Najafi
Expertise in data modeling, deep learning, statistical analysis, experimental design, and LLMs- Hands-on experience with Python, SQL, Spark, and version control to analyze data and build predictive models- Applied clustering, optimization, and exploratory analysis techniques to support data-driven insights- Experience working with large-scale datasets across advertising, healthcare, and insurance domains- MS in Statistics (Machine Learning Conc.)+ Ph.D. in Polymer/Material Science (Data Modeling conc.)- Publications and awards in machine learning, recommendation systems, and process design- Collaborated with Nike and Honeywell R&D to deliver advanced analytics and product development solutions
Experience
Data Scientist
Jan 2022 — Present · San Mateo County, CA, US
Performed EDA, data cleaning, and feature engineering on large-scale financial and transactional data in Hadoop/Spark using UDFs and window functions- Trained and tested predictive and recommendation models (Random Forest, Gradient Boosting, and LSTM in PyTorch), improving advertising campaign lift by 20% and achieving 90% AUC- Improved model performance and stability through feature selection, resampling, correlation analysis, and Bayesian optimization, evaluating results using SHAP, AUC, and lift metrics- Designed and automated the end-to-end regression and classification pipelines in Snowflake using task graphs, stages, and Docker containers (CPU/GPU)- Built KPI dashboards in Tableau and QuickSight to deliver insights to technical/non-technical audiences
Education
North Carolina State University
Ph.D. in Polymer/Material Science (Data Modeling Conc.)
2012 — 2017
University of Colorado
M.S. in Statistics (Machine Learning Conc.)
2019 — 2020
Skills
- X-Ray Diffraction Analysis
- Polymer Chemistry
- Nanotechnology
- Polymer Characterization
- Data Analysis
- Technical Textiles
- Microsoft Office
- Fiber/Yarn Production
- Matlab
- Nonwovens
- Tissue Engineering
- Polymer Processing
- Textile Comfort
- Polymer Science
- Film Extrusion
- Statistics
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