Marie Bertrand

Data Scientist at Lululemon · NLP

Lululemon

Toronto, ON · ET (UTC-5)

1+ years experience

McGill University

English, Mandarin

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Overview

I work on NLP at Lululemon in Toronto. Wrote the metric definitions the leadership team reviews every week. Replaced 29 hand-built dashboards with one metrics layer people trust. Most at home with PyTorch and information retrieval.

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Working sessions on evaluation
Second opinions on transformers decisions
Questions about NLP

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Skills

evaluationtransformersSQLPythoninformation retrievalPyTorch

Experience

Data Scientist
Oct 2025 - Present
Lululemon · 1 yr · Full-time · Toronto, ON
- Replaced 90 hand-built dashboards with one metrics layer people trust.
- Taught SQL to 95 non-analysts.
- Wrote the metric definitions the leadership team reviews every week.

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Education

McGill University
BEng, Physics
2021 - 2025

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