About Laurene
French
Native or bilingual
English
Fluent
Experience
- ScentairInnovation Manager | Modeling & Strategic DecisionCHEMICALMarch 2022 - December 2025 (3 years and 9 months)Toulouse, France➤Structuring and exploiting multi-source data (CRM, sales, consumer studies) via ETL pipelines (Python, pandas) with quality control (data validation, outlier management).➤Design and deployment of a demand forecasting model based on hybrid approaches (regularized regression, Random Forest, Gradient Boosting), with hyperparameter optimization (Grid Search / Cross-Validation).➤Implementation of advanced feature engineering: encoding, scaling, variable selection, dimension reduction (PCA) to improve model robustness.➤Advanced statistical analysis: hypothesis testing, ANOVA, correlation analysis, confidence intervals, to evaluate the impact of product variables on performance and well-being indicators.➤Translating results into strategic recommendations, directly contributing to the signing of +€500K in contracts.➤Producing decision-making deliverables (dashboards, executive summaries) for non-technical stakeholders.Stack: Python (pandas, scikit-learn), predictive modeling, advanced statistics, data storytelling
- L'OrealData Engineer | Data Pipeline & InnovationLUXURY GOODSJanuary 2021 - February 2022 (1 year and 1 month)Paris, France➤Design of a digital e-commerce tool based on a recommendation engine (rule-based + algorithmic scoring) integrating behavioral data and product attributes.➤Architecture and implementation of robust data pipelines (collection, cleaning, transformation) via Python / SQL, with structuring into usable datasets for analysis and machine learning.➤Industrialization of processing via automated scripts and workflows, ensuring data reliability, traceability, and scalability.➤Conducting advanced exploratory data analysis (EDA): anomaly detection, segmentation, identification of performance drivers.➤Development of interactive dashboards (Power BI) for operational and strategic management.Stack: Python, SQL, data pipelines, EDA, automation, data visualization
- UCARData Analyst | Data Strategy & New Product DesignAUTOMOBILENovember 2019 - December 2020 (1 year and 1 month)Paris, France➤Definition and implementation of a complete data strategy: scoping needs, defining KPIs, structuring data flows.➤Development of supervised and unsupervised machine learning models (classification, K-means clustering) for customer segmentation and usage pattern detection.➤Performance optimization through feature engineering, model tuning, and statistical validation.➤Manipulation of large datasets via advanced SQL (complex joins, aggregations, query optimization).➤Integration of external data sources and implementation of data quality management processes (validation, monitoring, consistency).➤Identification of key insights and recommendations to optimize product and business performance.Stack: Python (scikit-learn), SQL, machine learning, data analysis, data quality
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Education
- Data Science - Machine LearningEcole Polytechnique Fédérale de Lausanne2020
- Chemical EngineerEcole Polytechnique Fédérale de Lausanne2019