Director Of Machine Learning Engineering at Clearcover
Chicago, Illinois, United States
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Summary
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Rockstar
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Frank Fineis is a Director of Machine Learning Engineering based in Chicago with 11 years of experience building production ML systems across insurance, finance, and industrial analytics. He holds master's degrees in Statistics (Northwestern) and Applied Mathematics (University of Washington) and blends rigorous academic training with hands-on data engineering and modeling expertise. At Clearcover he progressed from senior engineer to director, leading ML teams that move research into reliable, scalable production services. Frank is an active open-source contributor—his work on LightGBM’s Dask integration improved distributed training, evaluation support, and robustness for large-scale ranking tasks. He has a track record of consulting and cross-disciplinary roles (data science, data engineering, risk management) that make him effective at translating domain needs into performant ML pipelines. Colleagues rely on him for pragmatic solutions that balance statistical rigor, operational reliability, and business impact.
11 years of coding experience
9 years of employment as a software developer
Master of Science (MS) Applied Mathematics, Master of Science (MS) Applied Mathematics at University of Washington
Bachelor of Arts (B.A.) Mathematics, Bachelor of Arts (B.A.) Mathematics at Wesleyan University
Master's degree Statistics, Master's degree Statistics at Northwestern University
A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.
Role in this project:
ML Engineer
Contributions:118 reviews, 8 commits, 12 PRs in 5 months
Contributions summary:Frank primarily contributed to the LightGBM Dask integration, enhancing its capabilities for distributed machine learning tasks. Their work involved implementing and refining the `DaskLGBMRanker`, addressing test flakiness, and optimizing data handling within the Dask framework. They also added support for evaluation sets and custom evaluation functions, further improving the model training process and expanding functionality for users.
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