Wen TIAN
Senior Data Scientist | Machine Learning
Salary / Daily rate
Paris, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
Data Scientist with expertise in AI-driven business strategy across finance, gaming, and consulting sectors. Delivered impactful solutions including marketing mix modeling, churn prediction, NLP/BERT models, and quantitative investment strategies for top-tier clients like BNP Paribas, Gameloft, and Deloitte. I transform complex data into actionable insights that drive measurable business growth.
Work experience
Part-time Assistant
McKinsey & Company
Beijing, China
Digital Capability /IoT /Industry 4.0 /digital manufacturing consulting
Senior Data Analyst
Pernod RicardFreelance
Nov 2024 - Present
2 years
Paris, France
• Led end-to-end data workflows, from requirement gathering to data preparation and delivery, supporting advanced analytical models used for decision-making • Design and build interactive dashboards, delivering intuitive visuals to communicate campaign ROI, budget efficiency, and market-level insights. • Collaborate cross-functionally with data scientists, data engineers, and market teams to industrialize analytics pipelines and ensure reliability in production • Communicate complex findings clearly to senior marketing and commercial leaders, enabling data-driven decisions on A&P budget allocation and campaign optimization. Tech Stack: Python, SQL, Snowflake, PowerBI, Azure Data Lake, Databricks, MCP
Data Product Owner
Gameloft
Jun 2023 - Nov 2024
1 year 6 months
Paris, France
Data driven use cases based on data science modeling and analysis including MMM, uplift analysis on mobile user acquisition & marketing activation; Churn prediction; Recommendation system etc
Data Scientist
BNP Paribas Asset Management
Jun 2021 - Jun 2023
2 years 1 month
Paris, France
Equity investment strategy, quantitative maths, now casting, NLP, Bert models
Consultant
Deloitte
Jan 2018 - Aug 2020
2 years 8 months
Shenzhen, Guangdong Province, China
Digital transformation, value-added AI use cases in management and strategies projects
Education
ESSEC Business School
Master's degree, Business Analytics
2020 - 2021
1 year 5 months
Grade: Très bien
CentraleSupélec
Master's degree, Data science
2020 - 2021
1 year 5 months
Grade: Très bien
Sun Yat-sen University
Bachelor's degree, Electronic Engineering/Semiconductor Physics
2014 - 2018
4 years
Grade: 3.91/4
2 Years Research on Semiconductor Physics, Organic TFTs( Thin-Film-Transistors).
Licenses & certifications
Data Analyst with Python Track
Issued: Sep 2020
SQL Fundamentals Track
Issued: Aug 2020