Senior Marketing Manager

Senior Marketing Performance Manager

Reporting to: Head Of Marketing

We're looking for a highly analytical and commercially minded Senior Marketing Performance Manager to lead performance analysis, forecasting, and media investment decisions that drive business growth. This insight-focused role partners with marketing managers to evaluate channel performance, identify opportunities, and deliver data-driven recommendations that optimise marketing investment and commercial outcomes.

• Drive real business impact by owning marketing performance, forecasting and media investment decisions that directly influence growth strategy and commercial outcomes.
• Focus on strategy, not campaign delivery, using data and insights to shape investment decisions while partnering with experienced channel specialists who execute campaigns.
• Work in a high-visibility role where you'll collaborate with senior leaders across Marketing, Finance and Data, influencing key business decisions in a fast-paced, growth-focused environment.

• Improved the accuracy and quality of acquisition forecasting.
• Established a robust framework for evaluating marketing performance.
• Increased confidence in media investment decisions through data-driven recommendations.
• Identified opportunities to improve acquisition efficiency and scale.
• Built trusted relationships across Marketing, Finance and Commercial teams.
• Helped the business make faster, smarter investment decisions based on real-time performance insights.

Performance Analysis & Optimisation

• Own marketing performance evaluation across all acquisition channels.
• Analyse campaign, audience, creative, landing page, funnel, trialist promotion and channel performance to identify opportunities for improvement.
• Investigate performance trends and diagnose the root causes of changes in volume, efficiency, conversion and customer quality.
• Translate complex datasets into actionable recommendations that improve acquisition performance.
• Partner with channel specialists and agency partners to identify optimisation opportunities.
• Develop frameworks that improve our understanding of marketing effectiveness and incremental performance.

Forecasting, Reforecasting & Scenario Planning

• Own acquisition forecasting and rolling re-forecasts across all marketing channels.
• Continuously monitor actual performance against forecast and proactively identify emerging risks and opportunities.
• Update forecasts based on real-time performance, market conditions, trading trends and business priorities.
• Build scenario models that support investment decisions and planning discussions.
• Provide recommendations on how budgets should be allocated to maximise performance and achieve business objectives.
• Ensure marketing investment plans remain aligned to current performance and growth targets.

Media Investment & Commercial Decision Making

• Develop data-driven recommendations for media investment across channels.
• Evaluate channel efficiency, scalability and contribution to overall business performance.
• Support annual planning, quarterly forecasting and budget management processes.
• Identify opportunities to improve return on investment and customer acquisition outcomes.
• Challenge assumptions and provide objective recommendations backed by robust analysis.

Reporting & Insights

• Develop and maintain performance reporting frameworks and dashboards.
• Establish clear performance KPIs and leading indicators.
• Communicate insights and recommendations clearly to senior stakeholders.
• Present performance updates, forecasts and investment recommendations to leadership teams.
• Drive a culture of evidence-based decision making across the organisation.

Cross-Functional Collaboration

• Partner with Marketing, Finance, Commercial and Data teams to ensure alignment on performance and forecasting.
• Work closely with channel owners to understand performance drivers and optimisation opportunities.
• Support testing and experimentation programmes by evaluating results and recommending next steps.
• Act as a trusted advisor to senior stakeholders on marketing performance…