Senior Marketing Effectiveness Manager

Competitive salary | Hybrid – London | FTC Maternity Cover This is an opportunity to lead one of the UK’s most high-profile marketing analytics functions — overseeing the measurement and optimisation of a £150m annual marketing budget for a brand that touches millions every week. You’ll join a global organisation with a mission-driven purpose: raising hundreds of millions for good causes each year, and with a clear ambition to double that over the next decade. The Opportunity As Senior Marketing Effectiveness Manager, you’ll lead a team of four econometricians, partnering closely with marketing, finance, and C-suite stakeholders to connect data-driven insights to commercial decisions. You’ll steer the marketing analytics roadmap, enhance measurement capabilities, and ensure that econometrics outputs are not just technically robust but strategically impactful. This is a rare role where analytics sits at the heart of big-budget decisions — and where your work will directly influence how one of the UK’s largest marketing spends is invested. What You’ll Be Doing Lead quarterly econometrics process, ensuring timely, accurate, and actionable outputs Partner with senior stakeholders to optimise marketing investment across channels Manage and mentor a high-performing analytics team Work with agencies to align marketing performance narratives Drive delivery of the marketing analytics roadmap, commissioning tools and assessing their value Lead ad hoc analytics projects to inform brand, participation, and demographic strategies What They’re Looking For People leadership experience Skilled in marketing analytics projects Ability to work with senior stakeholders up to C-suite Hands-on skills with SQL, Python, or R Why This Role? Lead marketing analytics for one of the UK’s largest ad spends High visibility with senior stakeholders Purpose-driven organisation with clear growth goals Opportunity to shape strategy, not just report on it If you’re motivated by using analytics to influence multi-million-pound decisions — and want your work to have impact both commercially and for good causes — this is a standout FTC opportunity. To register your interest, please send your CV to roshnibaillie@harnham.com or click the Apply link on this page.

Location: Watford, UK, GB

Posted Date: 9/8/2025