Manager, Data science & Marketing Effectiveness

London, UK (Hybrid)

Salary Not AvailableManagerFull time

Posted 4 weeks ago

Top 1% of applicants do these two things.

The other 99% submit and hope. You're about to do something different.

Job Summary

Own MMM and marketing effectiveness work end to end, turning data into strategic recommendations for senior clients and C-suite stakeholders.

  • Lead MMM programmes from data strategy to modelling, insights, and activation.
  • Translate complex outputs into clear, actionable business guidance that drives client impact.
  • Direct multi‑team delivery, talent development, and ongoing client relationship growth.

Job Description

Responsibilities

  • Oversee end-to-end MMM and marketing effectiveness programmes, from scoping and data strategy through to modelling, insights, and activation.
  • Ensure robust project governance, including data quality, model validity, and actionable recommendations that drive client impact and business growth.
  • Translate complex analytical outputs into strategic narratives and clear actionable recommendations for senior stakeholders and C-suite clients.
  • Define, steer, and monitor project roadmaps using Ekimetrics’ methodologies and standards, ensuring delivery aligns with client objectives, profitability targets, and timelines.
  • Provide strategic oversight to clients, helping optimise marketing spend, enhance campaign performance, and improve customer segmentation and ROI.
  • Support partners and senior managers in client engagement, delivering strategic insights, shaping proposals, and contributing to RFPs/pitches
  • Continuously identify and implement innovative approaches to solve client business challenges.
  • Line manage multiple team members, overseeing performance, conducting regular 1:1s, performance reviews, and talent assessments, while ensuring high-quality delivery, profitability, and client satisfaction.
  • Lead talent development initiatives, including annual talent reviews and career development planning,
  • Mentor project teams, guiding analytical workstreams, ensuring quality, and promoting knowledge sharing to develop team capabilities.
  • Contribute to project staffing strategy, balancing business priorities, expertise requirements, and team development opportunities
  • Recruit, align, and develop resources to build high-performing teams, retaining top talent.
  • Encourage collaboration, communication, and knowledge sharing within squads, inspiring team engagement and continuous improvement.
  • Serve as the operational and strategic point of contact for key accounts, maintaining strong long-term client relationships.
  • Identify cross-sell and upsell opportunities and support global account growth strategies.
  • Contribute to the scoping and design of new projects, ensuring business cases align with Ekimetrics capabilities.
  • Provide strategic guidance to clients using data-driven insights, helping them understand target audiences, optimise marketing spend, and measure campaign impact.
  • Enhance MMM methodologies, automation, tooling, and internal assets to scale delivery excellence.
  • Contribute to thought leadership, knowledge management, and innovation initiatives.
  • Act as an ambassador of Eki culture, role-modelling Ekimetrics’ core values: Curiosity, Creativity, Excellence, Transmission, Pleasure.
Ekimetrics logo

Ekimetrics

4.0 Glassdoor

Ekimetrics transforms how organizations make critical business decisions. Through AI-powered Managed Solutions, we help companies build sustained competitive advantage. Our solutions combine the Eki.Decisions platform with embedded experts who bring 20 years of experience in marketing, commercial effectiveness, and data science, connecting decisions across business domains to drive scalable, lasting impact. With 500+ experts across three continents, Ekimetrics delivers measurable results through responsible and sustainable AI. Visit us at ekimetrics.com.

Founded in 2006
Paris, Île-de-France, FRA
523 employees (15 in marketing)
87% recommend to a friend
95% CEO approval

Traffic Signals

Monthly Visitors
18.3K
Traffic Source Mix
Search
71.8%
Direct
17%
Referral
4.6%
Social
1.3%
Paid
3.7%

Headcount Trend

Current headcount: ~523

Marketing Team

Marketing Team Size
15 (3% of company)
Marketing Roles Posted (Last 30 Days)
9

Funding

Total Funding
$28.6M
Last Raise
$28.6M
Series Unknown, 6 years ago

Funding History

  • Nov 2020
    Series Unknown • $28.6M
  • Nov 2016
    Seed

Recent News