Marketing Lead (Media)

Role overview

dunnhumby is seeking a Marketing Lead (Media) based in London to own the media strategy and execution that drives customer-focused growth. This leadership role partners with cross-functional teams to inform campaigns with data-driven insights and deliver measurable business impact across channels.

What you will do

• Define and own the end-to-end media strategy for key brands and products, aligned with business goals and audience insights.
• Plan, execute, and optimize paid media campaigns across channels (display, social, programmatic, search), ensuring optimal ROI and brand lift.
• Collaborate with data, analytics, and product teams to translate customer insights into targeted media plans and performance benchmarks.
• Lead budget management, forecasting, performance reporting, and post-campaign analyses to inform future investments.
• Mentor and develop junior team members, fostering a data-driven, collaborative culture.
• Partner with agencies and internal stakeholders to ensure creative excellence and testing frameworks (A/B tests, multivariate tests) are applied effectively.

Who you are

• 5+ years of marketing/media experience, preferably in retail, CPG, or data-driven environments.
• Proven track record of designing and delivering successful paid media campaigns with measurable ROI.
• Strong analytical mindset with experience using data to optimize audience targeting, bidding, and creative testing.
• Excellent cross-functional collaboration, communication, and stakeholder management skills.
• Familiarity with digital media platforms (e.g., Meta, Google Ads, DV360) and marketing analytics tools.

About dunnhumby

dunnhumby uses data and insights to help retailers and brands grow, delivering customer-centric growth through analytics, technology, and strategic advisory. We value curiosity, collaboration, and a bias for action in a diverse and inclusive environment.

What we offer

• Competitive salary and benefits package
• Hybrid or flexible working options where possible
• 25 days of annual leave plus public holidays
• Pension scheme and employee wellness programs
• Continuous learning and development opportunities
• Inclusive culture with global collaboration