
Jean-Alix Poylo
Senior Marketing Strategist & Data Consultant
6 recommendations
Salary / Daily rate
6 people recommend
64500 Saint-Jean-de-Luz, France
Freelance
Remote only
Skills
Languages
About me
Intro
Freelance Data & Marketing Strategy Consultant helping businesses make smarter marketing decisions through data. With 4+ years at Criteo specializing in competitive intelligence testing, attribution, and incrementality, I guide growth-stage companies in aligning teams, evaluating performance, and scaling efficiently. My role: turning complex topics into clear insights and ensuring your marketing initiatives answer the right business questions.
Work experience
Data Consultant & Marketing Strategist | Founder | Freelance
TxuzFreelance
Jan 2025 - Present
1 year 10 months
Txuz helps businesses make smarter marketing decisions through data-driven insights and strategic clarity. → 𝙬𝙬𝙬.𝙘𝙤𝙣𝙨𝙪𝙡𝙩.𝙩𝙭𝙪𝙯.𝙤𝙣𝙚 As a freelance consultant, I bring a sharp external perspective to help teams turn insights into action, align on priorities, and unlock measurable business impact. I work across teams - from marketing to product to leadership - simplifying complexity, challenging assumptions, and shaping clear narratives that support both internal decision-making and client-facing materials like pitch decks and sales messaging. Txuz isn’t just about running tests. It’s about reshaping how businesses approach decisions - to cut through noise, maximize ROI, and build strategies that actually move the needle. 📩 Contact : 𝙟𝙞𝙭.𝙥𝙤𝙮𝙡𝙤@𝙩𝙭𝙪𝙯.𝙤𝙣𝙚 Let’s chat → 𝙬𝙬𝙬.𝙘𝙖𝙡𝙚𝙣𝙙𝙡𝙮.𝙘𝙤𝙢/𝙟𝙞𝙭-𝙥𝙤𝙮𝙡𝙤-𝙩𝙭𝙪𝙯/30𝙢𝙞𝙣
Criteo
Apr 2020 - Jan 2025
4 years 10 months
Barcelona, Spain
Senior Data Analyst & Competition Pod Lead
Apr 2024 - Jan 2025
10 months
Barcelona, Spain
Specialized in competitive intelligence and performance testing, I leveraged data-driven insights to drive strategic decisions for both internal stakeholders and external clients. 🔹 Strategy & Innovation – Shaped competitive strategies, contributed to intelligence tool development, and participated in strategic task forces as both a member and lead. 🔹 Competitive Analysis – Assessed market trends and competitor strategies to inform proactive responses and strategic positioning. 🔹 Performance Testing – Designed and analyzed A/B tests, incrementality studies, Head-to-Head testing, and attribution models to showcase Criteo’s value. 🔹 Client Advisory – Led consultations to refine testing methodologies and enhance advertisers’ decision-making for their digital marketing actions. 🔹 Cross-Functional Collaboration – Bridged Commercial, GTM, and Product teams to translate market needs into actionable insights. 🔹 Data-Driven Solutions – Applied Python, SQL, Presto, Vertica, and Tableau to tackle complex challenges. 🔹 Knowledge Sharing & Leadership – Conducted training, facilitated workshops, led hiring interviews and mentored peers as Competition Pod Lead. This role reinforced my ability to merge technical expertise with strategic thinking, driving impactful marketing insights and business growth.
Data Analyst II & Competition Pod Lead
Oct 2023 - May 2024
8 months
Barcelona, Spain
Took the lead on analytics initiatives focused on market competition and insights, prioritizing client-centric strategies while driving company growth.
Data Analyst II, Solution & Innovation - Analytics
Mar 2022 - Oct 2023
1 year 8 months
Barcelona, Spain
Joined a newly formed team of experts to deepen specialization and drive innovation.
Data Analyst, Data Science & Analytics
Mar 2021 - Mar 2022
1 year 1 month
Barcelona, Spain
Back as Full-Time after finishing engineering semester.
Data Analyst
Apr 2020 - Mar 2021
1 year
Barcelona, Spain
6-months internship Apr 2020-Sept 2020 during engineering master : 🔹Contributed to the AX team in Barcelona, focusing on enhancing the impact of high-performance technology within the dynamic landscape of online advertising in a data-driven company. 🔹Successfully analyzed complex data from diverse sources, utilizing reporting tools and metrics to glean actionable insights. Leveraged in-depth knowledge of Criteo's system to develop comprehensive reports and metrics, aiding teams across the business in making informed decisions. 🔹Conducted technical studies and analyses, actively participating in ad hoc projects that shaped the roadmap for Criteo product development. Executed real-world tests on emerging developments, ensuring their effectiveness in practical scenarios. 🔹Assumed a key role in campaign oversight and control, meticulously managing the ad server setup and updates. Validated the configuration of new campaigns to optimize performance. 🔹Engaged in daily tasks involving internal software management, Tableau reports, Python script writing, and database queries, showcasing a versatile skill set in data management and analysis.
Missions
Profil
Jan 2019 - Dec 2019
1 year
🔹VIP Host for events 🔹Animation coach for product promotion
Surf seller
Decathlon France
Jul 2019 - Aug 2019
2 months
Water Sport Center, Hendaye
Summer job responsibilities included: 🔹Communicating with clients to identify products that would meet their needs and drive successful sales. 🔹Participating in truck deliveries, managing product placement, and overseeing inventory. 🔹Observing opportunities and advancements in new technologies to simplify and optimize sales processes, maintaining permanent access to software on a tablet.
Digital Coach
Orange
May 2019 - May 2019
1 month
Roland Garros
Presentation of the company's innovations to the general public at the tennis tournament : 🔹Augmented reality 🔹Chatbot 🔹5G
Project Intern
ADEN Group
Jun 2018 - Aug 2018
3 months
Cà Mau, Ca Mau, Vietnam
Experience at Aden Services, the international Integrated Facility Management (IFM) specialist company, included diverse missions at the Vietnamese branch in Ho Chi Minh City: 🔹Weeks in the Operations Department: On-site involvement in catering operations within various industries. Conducted audits on different site types, working closely with general managers overseeing catering, cleaning, and maintenance services. 🔹Integration into the Business Department: Conducted research to identify new clients. Participated in interviews with international customers. Managed customer requests and contributed to the drafting of offers. 🔹Two weeks at the company headquarters in Shanghai: Explored the IT Department and gained insights into the Digital Transformation occurring in a global international company like Aden. Visited potential suppliers for cutting-edge technology. Understood the differences in management styles between two countries at different levels of development (Vietnam & China).
Young Intern
HPP Architekten GmbH
Feb 2013 - Mar 2013
2 months
Düsseldorf Area, Germany
One week project - Discovering and using the modelling software from the industry of architecture
Education
ESILV - Ecole Supérieure d'Ingénieurs Léonard de Vinci
Master’s degree equivalent in Engineering (Diplôme d'ingénieur)
2019 - 2021
2 years 2 months
Politecnico di Bari
Master of Engineering - MEng
2020 - 2021
7 months
ESILV - Ecole Supérieure d'Ingénieurs Léonard de Vinci
Engineering Preparatory cycle
2017 - 2019
2 years 2 months
Laurea University of Applied Sciences
Bachelor's degree
2018 - 2018
1 year
Licenses & certifications
SEO Foundations
Issued: Aug 2025
PSC– Certified First Aid Responder (France)
Issued: Mar 2025
Google Analytics Certification
Issued: Feb 2025
Email Marketing
Issued: Jan 2025
Marketing Strategy: Competitive Intelligence
Issued: Oct 2024
Data-Driven Decision-Making for Business Professionals
Issued: Oct 2024
TOEIC 950/990
Issued: Jan 2019
Skydiving patent (A)
Issued: Mar 2018
PSC1
Issued: Jun 2016
Car Driving License (B)
Issued: Jun 2015
Boat Driving License
Issued: Mar 2012