Data Science Manager

London – Managers & Senior Managers - Data Science & Marketing Effectiveness

About us

Our client is a global data science and AI consultancy focused on helping businesses make smarter decisions. Over the last 10 years they've been working with companies to improve how they market, operate, and grow—using a mix of analytics, tech, and real business insight.

They work across four main areas: Marketing Effectiveness, Customer Analytics, Operational Excellence, and ESG & Sustainability. With teams in Paris, London, New York, Hong Kong, and Shanghai, they bring a global perspective but keep things practical and tailored.

They are big on making AI actually useful—not just theoretical. And they certainly care about doing it responsibly.

The role

Our client is recruiting Managers and Senior Managers with strong experience in Marketing Mix Modelling (MMM) and marketing effectiveness.

In these roles, you’ll lead projects for well-known international clients across industries such as Automotive, Beauty, Retail, and Financial Services. You’ll be managing both the work itself and the people delivering it—making sure everything runs smoothly and delivers real value.

It’s a mix of hands-on thinking, client interaction, and team leadership.

What you’ll be doing

Leading projects

Owning MMM and marketing effectiveness projects end-to-end—from early scoping through to insights and recommendations

Making sure the analysis is solid, the data is reliable, and the outputs actually make sense for the business

Turning complex models into clear, practical recommendations clients can act on

Working closely with senior stakeholders and presenting findings in a way that lands

Helping clients optimise their marketing spend and improve performance

Getting involved in proposals and pitches for new work

Finding smarter, more efficient ways to tackle client challenges

Managing and growing teams

Supporting and developing team members or managers through regular feedback and mentoring

Helping people grow in their roles and progress in their careers

Making sure projects are properly staffed and teams are set up to succeed

Creating a positive, collaborative team environment

Working with clients

Storytelling and presenting to senior stakeholders

Building strong, long-term relationships with key clients

Acting as a trusted advisor on marketing and data topics

Spotting opportunities to expand the work they do with their clients

Helping shape new projects based on client needs

Contributing to the wider team

Improving how they do MMM—tools, methods, automation

Sharing knowledge and contributing to internal initiatives

Living our values: Curiosity, Creativity, Excellence, Transmission, and Pleasure

What our client is looking for

Your experience

Strong 2-5 years of experience in MMM and analytics/data science

Background in econometrics, MMM, or marketing effectiveness

Degree in something analytical (e.g. Statistics, Economics, Data Science, Maths, Marketing Analytics)

Comfortable with tools like Python, R, SQL, Excel, and data visualisation platforms

Experience working with large datasets and building robust models

Good understanding of regression, Bayesian approaches, and advanced analytics

Able to explain complex results in a simple, business-friendly way

How you work

Excellent communication, storytelling and presentation skills for senior stakeholders

You’re confident leading projects and managing multiple priorities

The ability to explain ideas clearly and build trust with clients

You enjoy developing others and helping teams succeed

You think strategically but stay practical

You’re naturally curious and always looking to improve things

Your style

Collaborative and easy to work with

Proactive and solutions-focused

Comfortable in a fast-paced, consulting environment

Curious, creative and committed to delivering high quality work

Competitive salary and bonus

Managers: up to £80k plus individual and company bonuses

Senior Manager: up to to £100k plus individual and company bonuses