Senior Manager, Data Science & Marketing Effectiveness (MMM)

Company: Ekimetrics
Apply for the Senior Manager, Data Science & Marketing Effectiveness (MMM)
Location: London
Job Description:

Overview

In this role, you lead strategic client programs in marketing effectiveness and MMM, guiding multi-account portfolios and building high-performing teams. You translate complex analytics into actionable guidance for senior stakeholders, shaping client investments in marketing and data-driven decision making. You will drive delivery excellence, contribute to business growth, and promote Ekimetrics’ mission of sustainability through AI-powered insights. This is a high-impact, leadership-focused opportunity in a collaborative, growth-oriented culture.

Pay / Benefits

  • 4% matched pension
  • 25 days Holiday + bank holidays + tenure leave
  • Private medical care
  • Life insurance
  • Critical illness cover
  • Salary sacrifice bike scheme

Responsibilities

  • Lead a portfolio of strategic client projects (multi-accounts) or a major regional project under Partner supervision
  • Define and steer project roadmaps using Ekimetrics models and standards
  • Ensure governance: data quality, model accuracy, actionable insights, timely high-value delivery
  • Pilot portfolio growth, margins, and ROI to meet business objectives
  • Coordinate resources for high-quality delivery aligned with strategy
  • Translate analytics into narratives and recommendations for senior stakeholders and C-suite
  • Support clients in optimizing marketing spend, segmentation, and campaign performance
  • Lead contributions to RFPs and pitches to boost commercial visibility
  • Line manage multiple team members, oversee performance reviews and talent development
  • Mentor and coach managers, analysts, and junior staff, fostering knowledge sharing
  • Recruit and align resources to build high-performing teams
  • Encourage collaboration and engagement across squads
  • Serve as the operational and strategic point of contact for key accounts
  • Identify cross-sell and upsell opportunities and support global account growth
  • Contribute to scoping/design of new projects and business cases
  • Represent Ekimetrics at conferences and client forums
  • Share best practices and contribute to verticals or strategic projects
  • Support upskilling strategies for office teams in client management and PMO
  • Ambassador of Eki culture and values (Curiosity, Creativity, Excellence, Generosity, Enjoyment)

Key requirements

  • 9+ years’ experience in econometrics, MMM, marketing effectiveness, or data science analytics
  • Deep understanding of econometrics, regression, Bayesian statistics, and advanced modelling techniques
  • Proven ability to handle large datasets, optimize pipelines, and deliver high-quality outputs
  • Track record translating model outputs into strategic, business-focused recommendations
  • Fluent English
  • Experience in line management, HR responsibilities, performance reviews, and career development
  • Strong communication, storytelling, and presentation skills for senior stakeholders and clients
  • Strategic thinker with problem-solving mindset and focus on continuous improvement
  • Mentoring, coaching, talent development, and fostering team growth
  • Experience in client account management and portfolio growth
  • Ability to lead multiple project teams and manage priorities autonomously
  • Contributes to thought leadership in marketing measurement and MMM
  • Collaborative
  • Proactive
  • Results-driven
  • Python
  • SQL
  • Excel

…

Posted: October 1st, 2026