Job Description

London - Manager, Data Science & Marketing Effectiveness

Ekimetrics is a global leader in Marketing Effectiveness and AI-powered solutions. Since 2006, we've been helping businesses optimise marketing and operations by combining AI with business and tech expertise across 4 domains: Marketing Effectiveness, Customer analytics, Operational excellence, ESG & sustainability.

With a full in-house team and offices in Paris, London, New York, Hong Kong, and Shanghai, we deliver tailor-made solutions that turn data into real positive impact, leveraging our unique combination of technology and services.



We excel at delivering AI impact at scale. Our mission is to harness this power to tackle the world's most urgent issues. We commit to responsibility and frugality in AI, systematic AI impact at scale, and loyalty to our values and DNA.

Your responsibilities

As a manager specialising in MMM & Marketing Effectiveness, you will lead high-impact MMM programmes for international clients across industries such as Auto, Beauty, Retail, and Financial Services. You will manage multiple teams and accounts, oversee end-to-end project delivery, and ensure actionable insights are delivered to clients while driving business growth and talent development.

Lead Projects

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.

People & Project Leadership

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.

Account & Business Growth

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.

Practice & Thought Leadership

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.

Your profile

Experience & Technical Skills

Experience in econometrics, MMM, or marketing effectiveness. Bachelor's or master's degree in Statistics, Econometrics, Data Science, Economics, Applied Mathematics, Marketing Analytics, or related field. Proficient in Python, R, SQL, Excel, and visualisation tools; experience with Databricks, Azure, or other cloud/data platforms is a plus. Strong understanding of econometrics, regression, Bayesian statistics, and advanced modelling techniques. Skilled in handling large datasets, optimising pipelines, and delivering high-quality outputs Track record of translating complex model results into actionable business recommendations.

Client & People Management

Proven ability to lead multiple project teams and manage priorities autonomously. Excellent communication, storytelling, and presentation skills for senior stakeholders. Strategic thinker with strong problem-solving skills and a focus on continuous improvement. Experienced in mentoring, talent development, and encouraging team growth. Skilled in client account management, maintaining relationships, and identifying growth opportunities.

Soft Skills

Collaborative, proactive, and results-driven. Positive, resilient, and adaptable in fast-paced consultancy environments. Curious, creative, and committed to delivering high-quality work.

Why join us?

At Ekimetrics, your ideas truly matter. We embrace an entrepreneurial spirit, encouraging you to push boundaries while thriving in a collaborative environment. We believe in enjoying what we do and fostering a safe, inclusive space where you can bring your authentic self.

In 2023, Ekimetrics obtained

"mission-driven company"

status, reflecting our commitment to CSR.
Our purpose: Accelerate organisations' transformation towards sustainability through data science and AI.

We are proud to have been certified

Great Place to Work

in France, the

UK

, and the US, with our Hong Kong office recognised as

Best Companies to Work

for in Asia 2023. Ekimetrics is also part of the

French Tech 120,

selected among the top French scale-ups with potential for international leadership.

You will have access to:

Salary From 80,000 + Bonus 20% + Corporate bonus The Eki.Academy training catalogue: learning paths, solution- and role-specific programs, and Climate School environmental awareness courses Regular events and seminars to connect with colleagues Modern office space in a central London location Flexible hybrid working policy (2 days a week in office + 20 days remotely) 25 days annual leave + bank holidays, plus 3 additional days for tenure Private healthcare, life insurance, and wellbeing support Group pension scheme Opportunities for international mobility and career development
As an employer, Ekimetrics offers equal employment opportunities to all, regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age. Ekimetrics strives to develop an inclusive work environment that reflects diversity within its teams.
75,000 - 90,000 a year
Individual performance bonus + company performance bonus
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.