JAWHAR SLIM
London,United Kingdom
Summary
Data-driven marketing professional with 6 years of experience bridging data science and business strategy to drive measurable impact.
Proven track record in partnering with global agencies to deliver advanced analytics solutions, optimize media investments, and exceed adoption KPIs across multiple markets.
Skilled in turning complex data into actionable insights that accelerate growth, improve ROI, and support digital transformation at scale.
Overview
8
8
years of professional experience
5
5
years of post-secondary education
Work History
Senior IT & Digital Data Scientist
Reckitt
London
01.2024 - 04.2025
- Leader of Reckitt's digital measurement across EUANZ markets, optimizing media investment for top 50 brands resulting to up to x1.5 incremental Net Revenue ROI vs BAU.
- Expanded Reckitt's data transformation journey across 14 markets globally and 6 brands within 18 months, and exceeding adoption KPI by 25%
- Putting together actionable insights and delivering to marketing directors MMX Results in a rebust and interactive way using PowerBI.
- End to end ownership engaging with crossfunctional stakeholders to gather the necessary requirements to perform the measurement and insuring inline with the project timelines.
Digital Marketing Data Scientist
Reckitt
London
01.2022 - 01.2024
- Performed linear and non linear media models to capture and measure media efficiency for 12 markets.
- Played a key role in migrating from H2O-based cloud infrastructure to an in-house platform for running data science attribution models —cutting annual costs by over £120K while preserving performance and scalability.
- Led 35 post-campaign analyses per year, transforming data insights into compelling business narratives for global scaling across 25 strategic business units.
- Validated and enhanced Data Science models for media attribution (online & offline), significantly improving the accuracy of sales impact measurement and strengthening data maturity and ad tech capabilities—leading to more precise audience segmentation and advanced personalization strategies.
Lead Business Analyst
Reckitt
01.2021 - 01.2022
- Drove data science operations across three Eastern European markets in collaboration with Nielsen, BCG, and Artefact— that influenced a portfolio-wide media investment strategy, leading to a 15% increase in marketing ROI and 8% uplift in baseline sales in these key markets.
- Engaged senior stakeholders across marketing, sales, and analytics to align on data-driven initiatives, accelerating adoption of advanced analytics tools and driving a 30% increase in utilization of regional reporting platforms.
Junior Business Analyst
Reckitt
01.2020 - 01.2021
- Boosted team productivity by designing automated business intelligence dashboards, increasing stakeholder engagement and dashboard viewability to over 80%, and reducing manual reporting time by 40%.nhanced business process efficiency by mapping and analysing workflow.
- Improved decision-making capabilities with thorough data analysis.
- Participated in training sessions with marketing academy thus enhancing knowledge base and skills set.
Junior Big Data Architect & Developer
Yobitrust
01.2017 - 01.2019
- Designed and implemented back-end solutions for sentiment analysis and healthcare data applications.
- Developed a multi-platform health status alert app for iOS and Android.
Education
MBA - International Management
Higher School of Economics
Moscow 09.2021 - 06.2022
MSc - Big Data Systems
Higher School of Economics
Moscow 09.2019 - 06.2021
BSc - Business Intelligence
Higher School of Management
Tunisia 09.2016 - 06.2019
Skills
- Marketing Mix Modeling (MMM)
- Marketing ROI Analysis
- Digital Media Performance Optimization
- Consumer Insights & Revenue Management
- Trade Spend & Pricing Analytics
- Data-Driven Storytelling & Visualization
- Power BI
- Tableau
- SQL
- NoSQL
- Python
- ELK Stack
- Apache Spark
- Machine Learning
- Marketing Analytics Platforms
- Google Analytics
- Ad Tech
- CDPs
- Project & Stakeholder Management
- Cross-Functional Team Leadership
- Strategic Planning
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Languages
French (Fluent)
English (Fluent)
Arabic (Fluent)
Russian (Intermediate)
Custom
Marketing Mix Modeling (MMM), Marketing ROI Analysis, Digital Media Performance Optimization, Consumer Insights & Revenue Management, Trade Spend & Pricing Analytics, Data-Driven Storytelling & Visualization (Power BI, Tableau), SQL / NoSQL, Python, ELK Stack, Apache Spark, Machine Learning, Marketing Analytics Platforms (Google Analytics, Ad Tech, CDPs), Project & Stakeholder Management, Cross-Functional Team Leadership, Strategic Planning & Business Impact Analysis
Timeline
Senior IT & Digital Data Scientist
Reckitt
01.2024 - 04.2025
Digital Marketing Data Scientist
Reckitt
01.2022 - 01.2024
MBA - International Management
Higher School of Economics
09.2021 - 06.2022
Lead Business Analyst
Reckitt
01.2021 - 01.2022
Junior Business Analyst
Reckitt
01.2020 - 01.2021
MSc - Big Data Systems
Higher School of Economics
09.2019 - 06.2021
Junior Big Data Architect & Developer
Yobitrust
01.2017 - 01.2019
BSc - Business Intelligence
Higher School of Management
09.2016 - 06.2019
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