Senior Director, Data Strategy

Data & Tech
London, England


About EMX:

EssenceMediacomX, part of GroupM, is a global data and measurement-driven media agency whose mission is to make advertising more valuable to the world. Our office sits within the legacy Essence building on Oxford Street. We still have all our wonderful essentials looking after our amazing clients! Our clients include many exciting brands such as Google, ITV, Airbnb, BT/EE, NBCUniversal and L’Oréal to name a few.

Visit for more information!

About the role:

Data Strategy involves transforming the way our clients think about, organise and orchestrate data & technology to deliver more timely, engaging and meaningful brand experience for their customers.  This involves thinking through the overall design of their martech, how they capture, manage and segment audience data, how they augment this with strategic partnerships, their reporting data pipeline, right down to the policies they need to adopt to manage their data in a safe and compliant way.

As a Data Strategy Senior Director, reporting into the UK Head of Data Strategy and working as part of a team of four, you will play a leading role in designing and delivering EMX digital transformation and data-driven initiatives to L’Oreal in the UK and Ireland. 

This particular role has a strong focus on audience planning, targeting & testing, data management and solutions design to support L’Oreal challenges and ambitions.

 Some things we’d like you to do:

  • Define the strategy and implementation of the omni-channel tech and data roadmap for L’Oreal working closely with the other Data Strategy Senior Director and stakeholders in EMX Media, Planning, Business Intelligence, Martech, and Analytics teams.

  • Support L’Oreal UK in their ambitions of becoming a data and tech leader in the beauty industry by leveraging data and tech practices, services and 3rd party solutions

  • Act as the day to day program lead for client audience insights, targeting strategies, data management and testing for the L’Oreal account.

  • You will define the audience strategy, roadmap and implementation across marketing / media channels and tech platforms. 

  • Be a key client stakeholder when it comes to audience data, driving the strategy forward, surfacing opportunities and learnings to senior clients and educating the wider L’Oreal group

  • Support the team in building out robust test & learn approaches for new opportunities, working alongside Analytics, to validate hypothesis around the use of audience data and then surface these learnings, identifying trends and their impact on the business

  • Maintaining an oversight over the wider data landscape, including data partners, media platforms and industry privacy changes, helping the client, Planning and Activation teams evaluate, test and onboard new opportunities. 

  • Effectively and accurately translate business needs into technical requirements and transformative projects, as well as simplify complex concepts to educate clients and internal teams

  • You will  take our solutions to clients, and work with the EMX client success leads, and implementation leads on growing the scope our services. 

A bit about yourself:


  • 8+ years digital working in data strategy, audience planning, ad tech or biddable activation roles.

  • A working knowledge of ad-serving DSP, and data/customer management platforms.

  • Highly developed interpersonal, team building, project relationship management skills

  • Strong analytical skills and a natural affinity for numbers is key; You must be able to analyse raw data, draw conclusions and develop actionable recommendations.

  • Ability to effortlessly switch gears from summary view for leadership to hands-on discussion with technical practitioners

  • Good proficiency in line management; with experience of managing a team, with demonstrable skills in guiding the development of direct reports

  • Strong stakeholder management skills, with proven experience in working with senior stakeholders both internally and externally

  • Assertive, with the confidence to be voice of authority – not afraid to do what is best for team

  • Experience within the Google Marketing Platform, in particular, DV360, SA360 and Google Ads


  • Experience with Google Analytics or Adobe Analytics 

  • Experience with data clean rooms such as InfoSum, LiveRamp, Habu etc.

  • MS Excel user with additional experience with programming and/or statistical languages such as SQL

  • Understanding of consumer research methodology and tools (i.e. TGI, GWI, YouGov) with the ability to translate findings into insight and application, down to media targeting and messages

  • Experience in retail media and/or working with retailer data for paid media activities

What you can expect from EssenceMediacomX

EssenceMediacomX’s mission is to make advertising more valuable to the world. We do this by employing the world’s very best talent to solve some of the toughest challenges of today’s digital marketing landscape. It’s important that we hire people whose values reflect those of our own: genuine, results-focused, daring and insightful. As an EssenceMediacomX employee, we promise you a workplace that invests in your career, cares for you and is fun and engaging. We believe these factors create a workplace where you can be yourself and do amazing work.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, or marital status.

Share This Job