Client Partner

Lead the day-to-day relationship with Mattel EMEA stakeholders, building trusted partnerships and delivering an outstanding client experience.

Drive planning excellence across EMEA markets, ensuring local recommendations align with global strategy while meeting market-specific needs.

Oversee campaign delivery across the region, maintaining quality, accountability and momentum from briefing through to execution.

Connect regional, local and specialist teams, creating alignment around priorities, timelines and ways of working.

Support commercial planning, resource management and growth opportunities that contribute to long-term client success.

Lead governance and operational processes, providing clear visibility of progress, risks, actions and key deliverables.

Foster a collaborative and inclusive team culture, supporting colleagues across markets to deliver their best work.

Experience leading client relationships, planning programmes or account delivery within a media agency or similar environment.

Strong understanding of integrated media planning and campaign delivery.

Proven ability to navigate complex stakeholder environments and build strong relationships across teams.

Excellent communication and presentation skills, with the confidence to influence and align diverse audiences.

Strong organisational and project management capabilities, balancing multiple priorities effectively.

Commercial awareness and an understanding of how to deliver value for both clients and the business.

A collaborative, solutions-focused approach with

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. You’ll also have access to a range of additional initiatives, including:

📖 Please check out the Publicis Career Page which showcases our Inclusive Benefits and our EAG’s (Employee Action Groups).

Publicis Groupe works primarily from the office or our clients' office four days per week.

At Spark Foundry, 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.

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