Ethan Tran

Results-Based Accountability NLP & Geospatial Analysis Project

RBA Data Science Consultant at Jefferson County Public Health (2025-10 – 2026-07)

Results-Based Accountability NLP & Geospatial Analysis Project

• Applied NLP and topic modeling (BERTopic) to 2,600 survey responses from public health professionals, extracting thematic patterns used to identify measurable indicators for county health planning.
• Integrated GIS software to map public health indicators geographically, enabling spatial interpretation of community health data across Jefferson County.
• Presented findings to the full Jefferson County Department of Public Health, directly influencing planning priorities in healthcare access and chronic disease prevention.

PLX Routing Optimization & Behavior Benchmarking at bpx energy (2025-05 – 2025-06)

Field Session Project: Geospatial Routing Analytics

• Reconstructed operator travel patterns across hundreds of field trips using Python, Pandas, and ArcGIS Pro, enabling quantitative comparison of actual vs. optimized drive times and detour rates.
• Identified spatial data gaps limiting platform accuracy by conducting GIS network diagnostics, flagging missing roads, access restrictions, and gating issues in the routing logic.
• Delivered a KPI framework and spatial dashboards adopted by the operations team to track routing improvements and support data-driven decision-making.

AI Annotator at Outlier AI (2024-03 – 2026-01)

• Evaluated AI-generated writing across accuracy, relevance, and style for over two years, contributing ranked feedback used directly in generative model training iterations.
• Improved prompt-response alignment by developing and refining prompt-response pairs, informing model behavior adjustments in production pipelines.
• Performed research and fact-checking on generated content across diverse domains, strengthening the factual reliability of model outputs.

B.S. in Computer Science + Robotics and Intelligent Systems – Colorado School of Mines (2022-08 – 2025-12)