Leo Grosjean
Summary
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SeniorLéo Grosjean is a marketing measurement product manager with 11 years of experience combining data science, analytics engineering and product leadership to drive ROI-focused marketing decisions. Trained at CentraleSupélec with a strong quantitative foundation, he has built and industrialized ML-driven solutions (from transformers to demand sensing) and led cross-functional data teams to deploy CDPs, MMM and activation platforms on GCP/BigQuery. At Servier he scaled a centralized analytics platform and operationalized marketing AI; at Opella he now owns the internal MMM tool and a proprietary A&P allocation assistant to accelerate adoption and optimize spend across markets. He blends hands-on modeling and cloud engineering with a strategic business background rooted in early finance and omnichannel roles, and brings proven experience translating complex analytics into commercial impact. Notably, his student leadership in large-scale events demonstrates strong stakeholder and external-communications skills beyond pure technical delivery.
11 years of coding experience
Github Skills (25)
json10
dashboard10
python10
data-science10
open-source10
regex10
symbolic-ai10
webapp10
data-visualization10
developer-tools10
data-analysis10
generative-ai9
prompt-engineering9
reflex8
3d6
Programming languages (4)
Github contributions (5)
LeoGrosjean/minibuilder_old
Nov 2021 - May 2022
minibuilder a smart network builder for 3D files
Contributions:2 releases, 77 commits, 2 PRs in 5 months
3d
LeoGrosjean/outlines
Oct 2023 - Nov 2024
Neuro Symbolic Text Generation
Contributions:19 pushes, 1 branch in 1 year
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