Yafen Zhang

About Yafen Zhang

Full Stack Data Scientist with product-focused engineering experience, specializing in AI, machine learning, and large language models. I transform complex business challenges into data-driven solutions that deliver measurable impact. Experience Highlights: I lead cross-functional teams to develop and deploy advanced ML models for customer lifetime value and revenue forecasting. My expertise spans the full data science lifecycle—from automated pipelines and interactive dashboards to executive presentations and strategic implementations.Business Impact: Built time series forecasting models (Prophet, TimesFM) that significantly improved sales and revenue predictions. Leveraged LLMs and AI techniques to analyze customer satisfaction data, extracting actionable insights that drove strategic decision-making. Automated data pipelines and guided projects from proof-of-concept to production deploymentData Science/Machine Learning Tools: Python, Numpy, Scipy, Pandas, Matplotlib, Seaborn, Scikit-Learn, Pytorch, Beautiful Soup, Flask, AWS, OpenCV, Git, SQL, Linux, BigQuery, Vertex AI, PowerBI, Spark, Azure, LangChain, Prophet, DeepARData Science/Machine Learning Skills: Data wrangling, data visualization, experimental design, A/B testing, Bayesian inference, regression, random forest, bagging and boosting, SVM, PCA, clustering, anomaly detection, time series analysis, neural networks, database design, prompt engineering, RAG, feature engineering, large language models (LLMs)Excellent communication skills, with experience presenting complex analytical insights to both technical and non-technical stakeholders. Multiple peer-reviewed publications and conference presentations.Let’s connect to discuss how data-driven insights leveraging machine learning, AI, and LLMs can transform businesses and promote innovation!

Experience

1. Senior Data Scientist

   ExxonMobil

   Oct 2025 — Present · Houston, TX, US

Education

• Wuhan University

  Bachelor’s Degree, Chemistry

• Virginia Tech

  Doctor of Philosophy (Ph.D.), Physical Chemistry

• Georgia Institute of Technology

  Master of Science - MS, Computer Science (Machine Learning)

  2023

Skills

• Molecular Beam
• Characterization
• X-Ray Photoelectron Spectrometry
• Uv/Vis
• Nanoparticles
• Illustrator
• Afm
• Reflection Absorption Infrared Spectrometry
• Nmr
• Vacuum Chambers
• Mass Spectrometry
• Science
• Nuclear Magnetic Resonance (Nmr)
• Surface Chemistry
• Hplc
• Ftir
• Uv/Vis Spectroscopy
• Labview
• Self-Assembled Monolayers
• High-Performance Liquid Chromatography (Hplc)
• Raman Spectroscopy
• Chemistry
• Research
• Matlab