Senior Data Scientist - MMM
Entain is seeking a Senior Data Scientist to lead Marketing Mix Modelling (MMM) for its UK and Ireland brands. This role sits within the marketing analytics team and focuses on measuring marketing effectiveness to drive growth and optimise investment. The successful candidate will own the end-to-end MMM process, from data pipeline management to model development and the delivery of actionable insights.
The role involves significant cross-functional collaboration, working closely with marketing, finance, and media agencies to influence budget allocation and media planning. Entain requires an expert who can translate complex econometric findings into clear recommendations for senior stakeholders, ultimately shaping the company's marketing strategy and improving return on investment.
- Own UK and Ireland MMM end to end, leading the design and ongoing refinement across brands, products, and customer lifecycle, and setting the methodology.
- Own the data pipelines that feed the MMM, ensuring data accuracy and reliability, resolving quality issues, and building new pipelines where needed.
- Validate and stress test model outputs to ensure results are robust and trusted before they are used to make decisions.
- Turn model outputs into clear recommendations on budget allocation, channel mix, and media planning, including budget optimisation scenarios.
- Partner closely with marketing, finance, and the media agency to embed MMM into planning and influence key decisions such as budget setting.
- Work with the media agency on testing and experimentation, building a feedback loop between MMM and experiments.
- Communicate complex findings clearly to senior stakeholders, including non-technical audiences, through presentations, reports, and documentation.
- Act as the expert on MMM methodology, validation, and best practice, keeping up with new methods to improve performance.
- Proven, hands-on experience building and running MMMs end to end in a commercial setting (required).
- Degree in Economics, Econometrics, Statistics, or a related field, or equivalent practical experience (required).
- Strong proficiency in R or Python, with a deep understanding of econometric techniques, time-series analysis, and regression (required).
- Experience with modern MMM approaches (required).
- Strong SQL skills and experience building and maintaining data pipelines and working with large datasets (required).
- Ability to operate as a subject-matter expert, setting direction and driving work forward independently (required).
- Ability to explain complex econometric concepts clearly to senior stakeholders (required).
- Strong quantitative and analytical skills, with a high level of attention to detail (required).
- Experience in the Gambling industry or similar (nice-to-have).
- Experience working with media agencies and with marketing and finance teams (nice-to-have).
- Experience combining MMM with experiments such as geo or holdout tests, or with attribution (nice-to-have).
- Experience with cloud data platforms and data visualisation tools (nice-to-have).
- Familiarity with machine learning applications in econometrics (nice-to-have).
- Hybrid working model with 2 days per week in the office.
- Private medical insurance.
- Pension scheme matched to 6%.
- Free subscription to wellbeing app Unmind.
- Entain & Enhance days, providing 2 paid days off for professional or personal development.
Entain is one of the world's largest sports betting and gaming entertainment groups and a FTSE 100 company. Formed when GVC Holdings rebranded as Entain in December 2020, its brands trace their history back to the 1880s and include bwin, Coral, Foxy, Gala, Ladbrokes and partypoker. Through its joint venture with MGM Resorts International, it powers BetMGM in the United States with its proprietary technology. Headquartered in London, Entain employs over 30,000 people with offices across 19 countries.