Group Head of Data Science
Competitive Salary and Package
London – hybrid
A 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 brands
* Acting as a strategic advisor to C-suite stakeholders, advocating for AI and data-driven decision making
* Working closely with innovation and product teams to identify and deliver impactful ML and AI use cases
* Supporting the rollout of an AI-powered platform that automates insights and trends from structured and unstructured data
* Overseeing predictive machine learning initiatives and data science best practices across the group
* Steering AI governance efforts in collaboration with a newly hired governance lead
* Representing the data science agenda at group level and aligning teams across different countries and operating models
Candidate requirements:
* Proven experience leading data science teams at group or enterprise level within B2C businesses
* Experience operating at Head of / Group Head of Data Science level
* Strong communication and stakeholder management skills, with the ability to influence at C-level
* Background as a hands-on data scientist, with deep understanding of model development, deployment, and MLOps
* MSc in a quantitative field required; PhD welcome but not essential
* Familiarity with AI governance and ethical AI practices
* Curious and up to date on GenAI technologies (either directly or via team exposure)
* Comfortable working with varied tech stacks across Databricks, AWS, Azure
* Experience in regulated industries, especially gambling, is a plus
Key highlights:
* High-impact role with visibility across group leadership, including CEO, CTO, and company owner
* Strategic ownership of AI roadmap and initiatives across multiple markets
* Resources and buy-in to build and scale data science capability
* Collaborative and flexible working culture with strong career development prospects
To apply or find out more:
Please submit your CV via the link or email to rosie@harnham.com