Christopher Robert White
Optimization & ML Engineer
Washington, DC
Experience
Lead Data Scientist · Nike
Remote
Jun 2023 - Present
- Led technical deployment of a production 900K-variable weekly Mixed Integer Program (MIP) containerization model (gurobipy, Databricks) codifying 21 loading rules with rejection-driven feedback; scaled from pilot to 5 origin ports serving 17.5% of global inbound volume, lifting consolidator-bypass from 11% baseline to 45%+ and saving $2.8M annually.
- Led ablation experimentation across 22 EMEA loading rules to isolate consolidator-bypass degradation on containerization rollout; identified ETA-zoning rules as dominant uplift lever (5-7pp), driving $236K in cost savings via post-launch parameter retuning.
- Owned end-to-end a 413K-variable inventory allocation MIP (supply-demand matching, gurobipy on Databricks Apps), from stakeholder scoping through React/FastAPI front-end, clearing Nike marketplace demand across 23 DCs; delivered 157K-unit cross-territory divert ($2.5M) with $10M+ annualized avoided-cancellation savings for 27 analysts.
- Owned a 3-person consulting squad end-to-end; mentored 8 data scientists, conducted 20+ hiring interviews, and led 30+ onboarding sessions.
- Presented 10+ times at the enterprise Data Science Demo Series, sharing machine learning, experimentation, and supply chain optimization work with cross-functional audiences of data scientists, engineers, and business stakeholders.
Senior Data Scientist · Nike
Remote
Dec 2021 - Jun 2023
- Architected a supply chain network Digital Twin (60K-variable MIP in Gurobi/OR-Tools) replacing Supply Chain Guru X, optimizing cost, lead time, risk, and emissions across 1.6B units via Pareto frontier, sensitivity, and scenario analysis; delivered $202M EBIT, $1M annual license savings, and 100M kg CO2e reduction in year one; shipped on AWS SageMaker via Jenkins CI/CD.
- Trained CatBoost models on 180K Snowflake records for landed-cost pricing (FOB + duty) at SKU-factory granularity: 4.05% MAPE on FOB (56% below static weighted-average baseline), 19% error reduction on duty; monthly Airflow retrain, integrated into sourcing optimizers, served via Streamlit to 150+ designers.
- Built 12 medallion-architecture ETL pipelines (Python, SQL) on AWS SageMaker and Databricks across 5 products, automating ingestion from Snowflake, Box, and Delta Tables; containerized in Docker and hardened with PyTest unit tests.
Senior Data Scientist · IBM
Washington, DC
Mar 2020 - Nov 2021
- Built 2-stage MILP (Python/PuLP) combining multi-commodity network flow and bin-packing (materiel compatibility) for DLA munitions sourcing/distribution on Palantir Foundry with PySpark; cut planning from 1 week to 8 minutes across ~4K SKUs.
- Engineered LSTM encoder-decoder (TensorFlow) forecasting 12-month backorders across 33K SKUs, using tslearn for segmentation and cluster-guided oversampling; benchmarked 6 architectures via walk-forward CV (0.89 F1, 0.94 recall); published DLA technical report.
- Developed MLP/RNN classifiers (scikit-learn, TensorFlow) labeling Primary Failure Indicators from maintenance logs across 30+ failure modes at 85% accuracy; cut reliability curve development from 6 months to 4 weeks; adopted by the Air Force across 5 engine programs.
- Developed bidirectional LSTM classifiers (TensorFlow, GloVe embeddings) fusing free-text and structured fields to classify security clearance applications at 0.91 recall and 0.89 F1 with SMOTE; SHAP force plots drove Army adoption.
Senior Technical Supply Chain Analyst · Accenture
Arlington, VA
Jan 2017 - Jul 2018
- Enhanced DLA aviation SKU recommendations by building a hybrid retrieval pipeline (SAS, SQL) combining rule-based clustering (vendor, socioeconomic sourcing) with product keyword cosine similarity to extend candidate SKU sets; outputs pushed to a dashboard used by 300+ analysts, informing $1.2B+ contracting decisions.
- Led development of a supply chain network dashboard in Qlik Sense for DLA distribution center performance monitoring; engineered supporting Python (Pandas, NumPy) and PostgreSQL data pipelines.
Program and Project Management Analyst · Accenture
Arlington, VA
Feb 2016 - Jan 2017
- Supported HealthCare.gov modernization at CMS: monitored SDLC phase milestones, compiled weekly risk reports, tracked contract financials, and maintained vendor resource compliance across dev, QA, and infrastructure workstreams.
Education
George Washington University
Master of Science, Computer Science
Jul 2018 - Nov 2019
Lafayette College
Bachelor of Science, Mechanical Engineering
Jul 2011 - Apr 2015
Skills
- ML & Optimization
- MIPLPMulti-Objective OptimizationMulti-Commodity Network FlowBin-PackingNetwork DesignSensitivity AnalysisScenario AnalysisGurobiOR-ToolsPuLPDeep LearningTensorFlowCatBoostTime-SeriesNLPSHAPMLOps
- Programming
- PythonPandasNumPyPySparkscikit-learnSQLTypeScriptReact
- Platforms & Infra
- DatabricksAWS SageMakerAWS ECRSnowflakePostgreSQLPalantir FoundryDockerJenkinsCI/CDAirflowFastAPIViteStreamlitPlotly