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Head of Data Science

📍 London, United Kingdom

Technology Harnham

Job Description

3 days ago Be among the first 25 applicantsDirect message the job poster from HarnhamA highly innovative and growing international group is seeking a Group Head of Data Science to lead its centralised data science function. Operating at group level across five B2C-focused businesses, this is a strategic leadership role with strong senior sponsorship, a direct line into the C-suite.The group is undergoing a data transformation journey, bringing previously siloed teams together under a centralised data model, with growing investment in AI and machine learning. You’ll be a key influencer in setting the strategic direction for Data Science & AI across the group, supporting adoption, building capability, and enabling commercial impact.Day-to-day responsibilities include:Leading a small, growing data science team operating across multiple brandsActing as a strategic advisor to C-suite stakeholders, advocating for AI and data-driven decision makingWorking closely with innovation and product teams to identify and deliver impactful ML and AI use casesSupporting the rollout of an AI-powered platform that automates insights and trends from structured and unstructured dataOverseeing predictive machine learning initiatives and data science best practices across the groupSteering AI governance efforts in collaboration with a newly hired governance leadRepresenting the data science agenda at group level and aligning teams across different countries and operating modelsCandidate requirements:Proven experience leading data science teams at group or enterprise level within B2C businessesExperience operating at Head of / Group Head of Data Science levelStrong communication and stakeholder management skills, with the ability to influence at C-levelBackground as a hands-on data scientist, with deep understanding of model development, deployment, and MLOpsMSc in a quantitative field required; PhD welcome but not essentialFamiliarity with AI governance and ethical AI practicesCurious and up to date on GenAI technologies (either directly or via team exposure)Comfortable working with varied tech stacks across Databricks, AWS, AzureExperience in regulated industries, especially gambling, is a plusKey highlights:High-impact role with visibility across group leadership, including CEO, CTO, and company ownerStrategic ownership of AI roadmap and initiatives across multiple marketsResources and buy-in to build and scale data science capabilityCollaborative and flexible working culture with strong career development prospectsTo apply or find out more:Please submit your CV via the link or email to rosie@harnham.comSeniority levelSeniority levelDirectorEmployment typeEmployment typeFull-timeJob functionJob functionAnalyst, Engineering, and ManagementIndustriesGambling Facilities and CasinosReferrals increase your chances of interviewing at Harnham by 2xSign in to set job alerts for “Head of Data Science” roles.Machine Learning Manager - Applied ML (UK/EU)London, England, United Kingdom 1 week agoLondon, England, United Kingdom 3 weeks agoLondon, England, United Kingdom 1 week agoHead of Data Science, AI and Data VisualisationChiswick, England, United Kingdom 3 days agoHead of Data - Data Science & ML EngineeringLondon Area, United Kingdom £130,000.00-£130,000.00 1 month agoDirector of Data Science - Opportunity in Sydney, AustraliaLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 20 hours agoLondon, England, United Kingdom 1 week agoWestern Europe Practice Head - Data Science (Machine Learning/Artificial Intelligence (ML/AI)London, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 5 days agoDirector, Machine Learning Science - Revenue OptimizationLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 2 weeks agoGreater London, England, United Kingdom 1 week agoTech Lead Manager, Machine Learning - PerceptionLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 1 week agoManager, Data Science and Machine Learning, Audit and AssuranceLondon, England, United Kingdom 3 days agoSoftware Engineering Manager, Machine LearningLondon, England, United Kingdom 2 weeks agoData Scientist - Borrow Analytics ManagerLondon, England, United Kingdom 1 week agoResearch Director - Quantitative ResearchLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 2 weeks agoManager, Forward Deployed Engineering and Data ScienceLondon, England, United Kingdom 1 month agoWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr

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Job Details

Posted Date: December 17, 2025
Job Type: Technology
Location: London, United Kingdom
Company: Harnham

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