Brandon Allen Email and Phone Number

Senior Data Scientist at Amazon Web Services (AWS) with 10 years of experience. 2 years of people management.See https://github.com/blallen22 for personal projects.Full stack data science, owning the ML lifecycle for customer engagements to translate business challenges into ML implementations. This includes owning problem formulation, writing design docs, developing data pipelines (ETL), feature engineering, developing ML models (and iterating with customers), writing science papers, and collaborating with Machine Learning Engineers to deploy models to production. Partner with leadership, scientists, product, engineering, sales, and operations.Expertise includes:• ML/Statistics (Frequentist statistics, supervised ML (XGBoost, CatBoost, LightGBM, Random Forest, Extra Trees, K Nearest Neighbors, Neural Networks), unsupervised ML (K-means clustering), LLMs (Titan, Claude), observational causal inference (double/debiased ML)• Python (PyTorch, Scikit-learn, AutoGluon, XGBoost, Pandas, LangChain, NumPy, Matplotlib)• SQL (CTEs, window functions, optimization)• AWS (Amazon Bedrock, Amazon SageMaker, Amazon Redshift, Amazon S3)Completed Amazon’s internal Machine Learning University coursework, including Deep Learning, Fine-tuning LLMs, Advanced Prompt Engineering, and Building LLMs with LangChain