Global Reporting and Analytics Lead, Client Partner in London

We are hiring a Head of Data & Analytics to shape how data drives growth, creativity and confident decision‑making across our international client portfolio. This is a senior leadership role with real influence setting the direction for how data, measurement and advanced analytics power our agency and our clients’ ambitions. You’ll sit at the heart of our proposition, partnering with leaders across strategy, media, technology and clients to turn complex questions into clear, commercial outcomes. If you’re excited by building capability, growing people and making data matter, this role offers the scale and scope to do exactly that.

What you’ll be doing:

• Setting the vision and operating model for data, analytics and measurement across Spark Foundry International, ensuring consistency, quality and impact across markets and clients.
• Leading and developing an international Data & Analytics team, creating clear career pathways and a strong culture of learning, collaboration and high standards.
• Acting as a senior data partner to key clients, shaping value‑based analytics roadmaps that support both immediate performance and long‑term transformation.
• Embedding robust measurement frameworks that connect media activity to business growth, effectiveness and meaningful outcomes.
• Driving cross‑market initiatives such as marketing effectiveness programmes, experimentation and modelling to inform smarter investment decisions.
• Working closely with strategy, planning, activation and technology teams to ensure data is embedded into day‑to‑day decision‑making.
• Supporting commercial growth through new business activity, organic client expansion and the evolution of data‑led products and solutions.

Skills we’re looking for:

• Proven experience leading data, analytics or marketing science teams in complex, multi‑market or matrixed environments.
• A strong grasp of data governance, measurement and advanced analytics, with a focus on practical, scalable application.
• Confidence translating complex analysis into clear, compelling stories that influence senior stakeholders.
• The ability to balance strategic direction with hands‑on problem‑solving when needed.
• Commercial awareness, with experience shaping analytics engagements that deliver value for clients and the business.
• A collaborative mindset, comfortable partnering across disciplines and geographies.
• Curiosity, adaptability and a commitment to continuously evolving how data supports better outcomes.

Spark Foundry offers a wide range of benefits to support our employees. Full details are shared when you join, but highlights include core benefits such as Pension, Life Assurance, and Private Medical cover, alongside enhanced policies like Reflection Days and Shared Parental Leave.

We are proud to be an equal opportunities employer. We welcome and encourage applications from people of all backgrounds, and do not discriminate on the basis of race, ethnicity, nationality, religion or belief, disability, age, citizenship, relationship status, sexual orientation, gender identity, or any other protected characteristic.

We are committed to providing a fair, accessible, and inclusive recruitment process. If you have any access needs - for example, related to disability, neurodivergence, or a health condition - please let us know. We’ll work with you to ensure the process works for you. Sharing this information will never impact your application.

Guided by our values, we listen with empathy, uplift each other, take responsibility, and embrace change - building a culture where everyone feels seen, respected, and genuinely included.