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Effectiveness Director

Mediabrands

London, England, United Kingdom (London) permanent

Posted: January 15, 2026

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Job Description

About Us

IPG Mediabrands is the media and marketing solutions division of Interpublic Group (NYSE: IPG). Mediabrands manages approximately $40 billion in marketing investment globally on behalf of its clients and provides strategic services and solutions across its award-winning, full-service agency networks UM, Initiative and Mediahub and through its innovative marketing specialist companies Kinesso, Magna, Orion, Rapport and Mediabrands Content Studio. Mediabrands clients include many of the world’s most recognisable and iconic brands from a broad portfolio of industry sectors. The company employs more than 13,000 marketing experts in more than 130 countries, representing the full diversity of humanity. For more information, please visit our website: www.ipgmediabrands.com.

Role Description

The purpose of the Director (Effectiveness), is to:

• Provide consulting services on all aspects of marketing effectiveness including development and implementation of measurement frameworks, integrating effectiveness insights to inform marketing and media decision making and advising and deploying measurement techniques like econometrics, digital performance tracking and experimentation.

• Provide data driven consultancy to clients to solve their business and marketing challenges.

• Embed analytical and data driven planning into client account teams by working in partnership with Comms design and channel specialists to implement data driven planning and decision making.

• Support revenue growth through scoping and selling in client projects.

• Support agency growth by working on new-business pitches as an insights and analytics specialist

This role will focus primarily on the NatWest Group account.

Key Responsibilities

Client consulting and advisory

• Be the key point of contact for clients on effectiveness projects. To work with them to understand their business and marketing challenges and create robust solutions to address them.

• Synthesise data, research and analytics assets available across the client account to answer the client’s key marketing challenges.

• Support on a range of effectiveness and measurement related projects covering econometrics/MMM, digital tracking, and experimentation

Embedding analytics in day-to-day planning and media execution

• Be the key point of integration between Media Specialists (Account Management, Comms Designers and Channel Specialists) and Data Specialists (Analytics and BI teams)

• Work with Communication design and media specialist teams to develop and implement a consistent measurement framework across the client account.

• Use analytics, research and data assets to inform decisions across the planning process

• Work to develop a culture of experimentation, testing and optimization on the client account

• Conduct workshops, training and education sessions with media specialist teams to raise the bar on data driven planning

Agency growth and new business

• Consultatively solve client’s marketing challenges by providing curated access to Initiative’s research, analytics and data solutions to generate analytics and insights revenues

• Support from an analytics and insights perspective on agency new business and pitches.

DESIRED SKILLS AND EXPERIENCE

• Experience providing marketing consulting services across a range of sectors.

• Experience in Financial services marketing is desirable.

• Extensive experience of providing analytics and data led consulting advisory services in:

• An agency / consultancy environment (preferable)

• As part of an in-house analytics and insights team

• Proven expertise in the following areas:

• Developing and implementing measurement frameworks and learning agendas

• Marketing investment planning (Budget setting, Budget allocation etc.)

• Optimisation, scenario planning, forecasting and business modelling

• Marketing mix modelling / econometric modelling

• Marketing experimentation (experiment design and statistical analysis)

• Digital performance tracking and analytics

• Working knowledge of

• Market research methods (Quantitative and qualitative methods)

• Consumer / customer segmentations

• Audience strategy and data driven targeting

• Brand equity measurement, brand tracking

• Strong communications skills (written and verbal)

Employee Transparency

At IPG Mediabrands, we celebrate differences and believe this makes us stronger. IPG Mediabrands are an equal-opportunity employer committed to championing an inclusive culture that provides a sense of belonging for all our employees. We do not discriminate against any applicant based on age, disability, race, colour, ethnicity, national origin, gender, sexual orientation, gender identity, religion, belief, marital status or any other characteristic protected by law.

Please reach out to Ninette at [email protected], if you would like to have a confidential conversation regarding any adjustments that would ensure our recruitment process is accessible for you. Please note requesting a reasonable adjustment will not affect your application.

The Perks

We aim to provide all our people with a supportive and fun work environment where you can develop your full potential and benefit from the broad range of opportunities within the agency. When you join us, we want to make sure you feel valued – and that you are rewarded for your fantastic work. So, we also offer a range of benefits:

• Flexi–leave, with 25 days annual leave to be taken as minimum. In addition to your holiday entitlement, the office usually closes between Christmas & New Year

• Free breakfast and free lunch

• Early finish Fridays

• Core Hours (Mon-Thurs, flexible start/finish times)

• Retail discounts

• Electric vehicle salary sacrifices car scheme

• Wellbeing programme, including Headspace & flu jabs

• Interest free season ticket loan

• Paid time off for Volunteering

• Group Income Protection

• Life Assurance

• Private Medical Insurance or Health Cash Plan (dependent on level)

• Group Personal Pension Plan with matched contributions from 3-6%

• Generous Parental Leave & Pay

• Independent mortgage advice

• Financial education

• Employee Assistance Programme

• Free eye tests

• Flexible benefits including Dental, Travel insurance, Cycle to Work, Gym Discounts and many more!

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