Résumé
https://www.linkedin.com/in/cohenraphael/
Expériences professionnelles
Data scientist
HSBC , Paris - Autres
De Septembre 2022 à Aujourd'hui
Data Scientist within the retail bank.
• Development of a Machine Learning model to anticipate the return to France of an expatriate.
• Thesis project : Calculate the CLV (Customer Lifetime Value) via clustering, statistical and econometric
models and supervised learning methods.
Deployment of these models to integrate these forecasts into product recommendation strategies.
Data scientist
Ekimetrics , Paris - Autres
De Mars 2022 à Août 2022
Consultant in Data Science and Machine Learning.
• R&D project of multilingual sentiment analysis via the development of a python library using NLP and Deep Learning methods.
• Implementation of MMM (Marketing Mix Modeling) tools for FDJ. Analysis of different marketing campaigns via sales and ROI modeling based on econometric methods.
Development of a statistical model to evaluate the contribution of each marketing lever.
Translate this modeling into business recommendations : optimize investments and identify strategic revenue opportunities.
Data consultant
MAGELLAN CONSULTING - GROUPE MAGELLAN PARTNERS , Paris - Autres
De Octobre 2021 à Février 2022
Consultant in Data Analysis, Preprocessing and Visualization. Participated to engagements for banks and retail companies. Operational research and customer support from data collection to visualization.
• Implementation of data visualization tools related to paid vacation for banks.
• Other dashboard updates and analysis view from SQL database thanks to Power BI and Tableau.
Formations complémentaires
Master
Université Paris-Dauphine - Data Science and Artificial Intelligence
2020 à 2023
Excellence scholarship obtained from the PRAIRIE institute (PaRis Artificial Intelligence Research InstitutE).
Dual License
Université Paris-Saclay - Mathematics - Computer Science
2017 à 2020
Dual Mathematics and Computer Science License with honors.
Scientific Baccalaureate
Lycée Chaptal - Mathematics
2014 à 2017
Scientific Baccalaureate, Specialty Mathematics with honors, European English Section.
Associations
Parcours officiels
Langues
Français - Langue maternelle
Anglais - Courant
Espagnol - Technique
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