Sr. Marketing Effectiveness Manager (MMM) - Europe

The Sr. Marketing Effectiveness Manager is responsible for the successful delivery, adoption and continuous improvement of the Marketing Mix Modelling (MMM) capability across their region. Acting as the regional owner of the capability, the role leads the end-to-end execution of the regional roadmap, ensuring high-quality model delivery, stakeholder engagement and business value realisation.

Working closely with market teams, MMM vendors, Data & Digital teams and the broader Global MMM team, the role ensures regional priorities are delivered in alignment with global standards while identifying opportunities to enhance the capability through continuous improvement.

The Senior MMM Manager serves as the primary business partner for markets, ensuring MMM insights are translated into actionable business decisions and embedded into ongoing marketing planning and investment processes.

What are we looking for?

• 6–10+ years' experience in Marketing Mix Modelling, marketing analytics, commercial analytics or marketing effectiveness.
• Proven experience delivering end-to-end MMM projects from business requirements, data preparation, data science through to business recommendations.
• Demonstrated and strong project management and stakeholder management and communication skills.
• Experience working directly with MMM vendors or analytics consultancies.
• Experience working across multiple markets within a regional or global organisation is highly desirable.
• Ability to interpret modelling outputs and translate findings into actionable business recommendations.

What will be your key responsibilities?

Regional Roadmap & Programme Delivery

• Own and execute the regional MMM roadmap, ensuring delivery milestones, priorities and business commitments are achieved.

• Lead programme planning, governance and execution across all markets within the region.

• Facilitate working groups, steering meetings and project governance forums.

• Monitor programme progress, proactively managing risks, issues, dependencies and mitigation plans.

• Produce regular status reporting and provide clear escalation of risks and decisions to regional and global leadership.

• Coordinate cross-functional activities across markets, Digital, Data, vendors and business stakeholders to ensure successful delivery.

End-to-End MMM Delivery

• Lead the end-to-end execution of MMM studies across assigned markets.

• Partner with market teams, Digital and Vendors to ensure data quality, business validation and model readiness prior to modelling activities.

• Review model outputs, challenge results where appropriate and ensure analytical quality before business release.

• Develop market-specific insight reports and strategic recommendations based on modelling outcomes.

• Support quality assurance and validation of outputs within MMM platforms and reporting tools.

Business Partnership & Stakeholder Management

• Act as the primary MMM business partner for regional marketing, media and commercial teams.

• Facilitate insight workshops and business review sessions to support interpretation and application of MMM findings.

• Capture business requirements and translate market needs into product enhancements and capability improvements.

• Drive adoption of MMM recommendations within annual planning and media investment decisions.

• Build trusted relationships across markets and act as the regional advocate for the MMM capability.

Continuous Improvement & Product Development

• Maintain and prioritise the regional backlog of enhancements, data improvements and capability requirements.

• Identify opportunities to improve data quality, modelling processes and business adoption.

• Partner with the Global MMM Operations & Governance Manager to ensure regional improvements are aligned with global standards and product roadmaps.

• Contribute regional learnings, feature requests and innovation ideas to support the evolution of the global capability.

• Ensure regional documentation, process maps and knowledge assets remain current and consistent.

Governance, Adoption & Value Realisation

• Ensure all regional activities comply with global governance, modelling standards and operating procedures.

• Owns regional adoption, training, business outcomes and value delivered through the MMM capability.

• Support the measurement and reporting of regional performance against defined KPIs.

• Share best practices, lessons learned and successful case studies with the global MMM community.
  

What can you expect from Mars?

• Work with diverse and talented Associates, all guided by the Five Principles.
• Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.
• A strong focus on learning and development support from day one, including access to our in-house Mars University.
• An industry competitive salary and benefits package, including company bonus.

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