William Ouellette
Co-Founder & CTO at Epoch
Brussels, Brussels-Capital, Belgium
Summary
🤩
Rockstar🎓
Top SchoolWilliam Ouellette is a geospatial technology leader and co-founder-CTO with nine years of experience building Earth observation products that make commodity traceability and land regeneration fundable and verifiable. Based in Brussels, he combines hands-on backend engineering—contributing notable Sentinel-1 data processing features to the popular eo-learn framework—with startup-scale product and payments design at Epoch to pay for environmental outcomes. His work at Soilwatch, FAO, The World Bank and TomTom bridges operational satellite data pipelines, national-scale mapping, and nature-based solution opportunity scanning. He favors cloud-native, open-source stacks (Python, GDAL, Xarray, Dask) and pragmatic ML for scalable land monitoring, enabling carbon and restoration finance for rural actors. Notably, he has implemented production-grade Sentinel-1 ingestion and export tooling that improves multi-band, time-aware TIFF exports for downstream verification workflows. He brings a rare mix of field-oriented environmental science training and production engineering to turn pixels into credible, auditable impact.
9 years of coding experience
8 years of employment as a software developer
Master’s Degree earth observation, Master’s Degree earth observation at KU LeuvenErasmus Exchange Earth-oriented Space Sciences (satellite applications engineering), Erasmus Exchange Earth-oriented Space Sciences (satellite applications engineering) at Technical University of MunichBachelor’s Degree Liberal Arts and Sciences Environmental Sciences Major History Minor, Bachelor’s Degree Liberal Arts and Sciences Environmental Sciences Major History Minor at University College UtrechtExchange program Civil and Environmental Engineering, Exchange program Civil and Environmental Engineering at Universidad de Costa Rica UCR
French, English, Spanish, Dutch, Romanian, German, Swedish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (4)
rasterio10
numpy10
python10
machine-learning8
Programming languages (5)
Github contributions (5)
sentinel-hub/eo-learn
Oct 2018 - Oct 2020
Earth observation processing framework for machine learning in Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 reviews, 34 commits, 11 PRs in 2 years
Contributions summary:William contributed significantly to the `eo-learn` framework by implementing new features related to Sentinel-1 data processing. They added classes for handling Sentinel-1 IW data using both WMS and WCS requests. They also modified the interpolation task, optimizing the processing of feature data. Furthermore, the user enhanced the `ExportToTiff` functionality, enabling the export of various feature types and integrating band and time selection capabilities.
satellite-imagerypythonobservationearth-observationearth
wouellette/ee-dynamic-time-warping
Jul 2021 - Aug 2022
Contributions:35 commits, 4 PRs, 23 pushes in 1 year
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