Director - Data, Measurement & Optimisation

Job Description:

Dentsu is an integrated growth and transformation partner to the world’s leading organizations. Founded in 1901 in Tokyo, Japan, and now present in over 145 countries and regions, it has a proven track record of nurturing and developing innovations, combining the talents of its global network of leadership brands to develop impactful and integrated growth solutions for clients. Dentsu delivers end-to-end experience transformation (EX) by integrating its services across Media, CXM and Creative, while its business transformation (BX) mindset pushes the boundaries of transformation and sustainable growth for brands, people and society.

Purpose of the Role

Within Growth Solutions, we are building and scaling innovative media, data and technology-led propositions that help drive commercial growth across the business. Growth Solutions are an evolving range of products, services and capabilities designed to give advertisers greater certainty and impact in the algorithmic era, spanning proprietary media solutions, marketplaces, strategic services and data products.

As Director – Data, Measurement & Optimisation, you will lead the delivery and operationalisation of data, measurement and optimisation capabilities across Growth Solutions. Working closely with the Partner – Data, Measurement & Optimisation and cross-functional teams, you will translate strategy into practical frameworks, insights and scalable solutions that improve performance, drive adoption and deliver measurable outcomes for clients and the business.

Key Responsibilities

Measurement Delivery & Framework Development

• Develop and maintain measurement frameworks, methodologies and playbooks that define KPIs, success metrics and evaluation approaches across Growth Solutions.

• Deliver robust analysis and effectiveness reporting, applying techniques such as attribution, incrementality testing, experimentation and econometric approaches to generate actionable insights.

Data Analysis & Audience Insight

• Partner with Data & Technology, Marketing Science and Product teams to identify, structure and activate data assets that enhance Growth Solutions performance and usability.

• Develop audience insights, segmentation strategies and data-driven recommendations that inform product development, go-to-market plans and client outcomes.

Optimisation & Performance Improvement

• Design and implement optimisation approaches across products and campaigns, using performance data to drive continuous improvement and stronger commercial outcomes.

• Build and maintain dashboards, reporting tools and test-and-learn programmes that make optimisation insights accessible, actionable and scalable.

Client & Agency Support

• Provide specialist measurement, data and optimisation expertise to support client engagements, performance reviews and agency teams.

• Translate complex analytical outputs into clear, commercially relevant recommendations that inform planning, activation and optimisation decisions.

Product & Capability Development

• Work with Product teams to operationalise measurement, data and optimisation requirements within new and existing Growth Solutions.

• Identify opportunities to enhance capabilities through new tools, reporting solutions, frameworks and industry best practice.

Collaboration, Enablement & Development

• Lead cross-functional workstreams and support capability development by promoting best practice across Growth Solutions and agency teams.

• Develop training materials, case studies and knowledge-sharing resources that drive adoption and demonstrate the impact of Growth Solutions.

Qualifications + Skills

• Demonstrated experience in data, measurement, optimisation, marketing science, analytics or a related discipline within a media, marketing, consultancy or product-led environment.

• Strong knowledge of measurement methodologies, including attribution, incrementality testing, experimentation, econometrics/MMM and performance evaluation frameworks.

• Experience translating complex analytical or technical concepts into practical recommendations, frameworks and solutions that drive business outcomes.

• Strong understanding of digital media, audience strategy, first-party data activation and marketing effectiveness principles.

• Hands-on experience with analytical and reporting tools such as Excel, SQL, Python/R, Tableau, Power BI, Looker or similar platforms.

• Proven ability to lead delivery, manage multiple priorities and drive cross-functional workstreams in a fast-paced, evolving environment.

• Strong stakeholder management, communication and presentation skills, with confidence engaging agency teams, clients and senior stakeholders.

• Collaborative, commercially minded and intellectually curious, with a passion for innovation, continuous improvement and building scalable capabilities.

What we offer

• This is a permanent role.

• This role can be based in Manchester or London and operates under flexible working arrangements.

• As well as a competitive salary, you'll enjoy a benefits package that you can tailor to your needs.

Inclusion and Diversity

At Dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation, benefiting our employees, partners, and communities.

We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work.

We recognize the importance of work-life balance and are open to discussing flexible working arrangements for all roles. If you need reasonable adjustments due to a disability or medical condition during our recruitment process, please contact us at [email protected] quoting the reference number of the role that you are applying for. Your needs will be handled with respect and confidentiality to ensure an inclusive and accessible experience.

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