GR
GroupM· HQ in United States

Marketing Effectiveness Manager (Marketing Science)

Location: London, United Kingdom · Category: Data, AI & Analytics · Seniority: Mid-Level · Posted: September 11, 2026 · Verified: Oct 8, 2026

Role Overview & Description

This role focuses on marketing effectiveness and marketing science, involving the measurement and analysis of marketing campaigns to optimize performance. The manager will use statistical methods and data to quantify impact and guide investment decisions.
Source & Transparency: This position was structured directly from the publicly accessible career portal of GroupM. Details on the employer’s original job posting are authoritative. Polaris7 charges no placement fees and conducts no candidate screening.

About the company

Legacy media buying and planning network within WPP.

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