Aurelien Bonnetain
Senior Program Manager @eBay
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WORK HISTORY
Senior Program Manager @eBay
Played a central role in shaping eBay’s product ontology strategy, defining foundational, application-agnostic product types to support inventory understanding, search, and buyer experiences• Designed strict ontology principles, and built a multi-step LLM-powered workflow to extract, validate, and structure product types from noisy queries and sparse listing data• Built AI-driven attribute and value extraction pipelines, combining prompt engineering, Python-based chunked processing, and human-in-the-loop review. TThis enabled large-scale processing (100k+ listings) and reducing manual design effort from weeks to hours• Supported global taxonomy initiatives with technical solutions, including Category Releases, Size filtering and attribute normalization across BIG7 markets.• Took ownership of Human Judgment operations during a high-risk organizational transition, managing workloads, vendors, and partners to ensure continuity with minimal delivery disruption• Actively drove AI adoption across the team: joined the AI Ambassador program, partnered with Applied Research and DE Science, ran experiments with multiple LLMs, fine-tuned models to expedit human reviews
EDUCATION
Johannes Gutenberg-Universität Mainz
Bachelor's degree
Université de Bourgogne
Bachelor's degree
Freie Universität Berlin
Master's degree
SKILLS
ABOUT AURELIEN BONNETAIN
I am an e-commerce program manager specialised in ontology, taxonomy, catalogs and data governance. With over 10 years of experience I have a track record of effective cross-functional collaboration, working for one of the world\'s leading e-commerce companies. I have successfully led multi-year global programs for Structured Data at eBay. I am self-driven and accountable, tech savvy and culturally aware.
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