Performance Director - On Running in London

This role provides strategic oversight across the full international performance remit, ensuring Hearts & Science delivers market‑leading digital excellence for ON Running across EMEA. As a central leader within our London‑based hub, you will align global strategy with regional execution, driving clarity, consistency and measurable performance impact across markets.

You will steer the day to day orchestration of ON Running’s international performance initiatives—acting as a critical connector between global teams, regional leads and specialists. Your leadership ensures that data, insights and best practices are embedded across the network to elevate capability and accelerate growth.

As an Agent of Change, you bring a forward‑thinking, solutions‑oriented mindset, using emotional intelligence and commercial rigour to turn complexity into clarity, data into meaningful direction and ambition into tangible business outcomes.

Operating at the centre of our London led team, you will proactively support the Digital Agency Partner, guiding cross market collaboration and ensuring seamless coordination with our US counterparts through robust project management, governance frameworks and performance methodologies.

• Driving digital performance: Lead and define the performance program which will set the vision to enable teams to identify and implement performance enhancing solutions and learnings from across markets.
• Work with digital channel teams (search, social, programmatic) to ensure best in class campaign setup, execution, and optimisation across channels, with a consistent strategy shared between them.
• Maintain and hold teams accountable for a daily drumbeat of performance dashboard analysis, evaluation, optimisation and insight. Analyse performance data daily and form optimisation plans with relevant channel teams.
• Implement digital channel roadmaps and optimization frameworks and develop innovative targeting and creative options in conjunction with channel teams.
• Hold global and market teams accountable to performance roadmap.
• Join and contribute to the global Heart’s performance community and work with global performance lead to fast-track adoption of beneficial global support and to share regional success.
• Escalate support required from global Hearts & Science and clients.

• Focused on ‘quick win’ digital improvements in digital - leading the end-to-end process globally and holding market internal teams accountable for their input/actions/optimisations.
• Primary performance point of contact for client, with direct engagement from the leadership team.
• Drive recommendations through performance analysis and collaboration with channel teams, and ensuring learnings are implemented by all markets globally.
• Set the standard for regional performance reporting and evaluation case studies. Aim for a conveyer belt of best-in-class case studies, dial shifting performance improvements and award worthy approaches, linking results to business outcomes.
• Evaluate performance from a macro perspective to lead cross channel budget optimisations.
• Setup the project management processes to ensure seamless collaboration and awareness of actions planned and taken.

• Lead the planning and consolidation of a single performance campaign response to brief and deliver to client.
• Define and deliver a performance forecasting and budget approval processes, utilising a clearly defined data driven methodology and process.
• Connect optimisations within multichannel digital performance campaigns to ensure consistent output in collaboration with digital teams.
• Set reporting standards including a regular drumbeat of short and long term performance reports that provide actionable and digestible insights for clients.

This is a fast-paced environment, working and connecting with some of the industry’s best marketing and advertising professionals all around the world. This position reports to the Performance Lead, working closely with the global teams based in London.

• Act as a primary point of contact for the client across performance planning, optimisation & innovation.
• Drive forward business continuity via client aligned quarterly priorities, QBRs & status meetings.
• Work with the client on the roadmap for digital maturity.
• Lead the cadence and creation of client facing case studies & opportunity showcases.

Omnicom’s policy requires employees to work in the office for a minimum of three days a week, unless additional in-office days are directed by their agency or manager. Our objective is to increase this requirement over time, and many of our agencies as well as Omnicom’s corporate group already require five days of in-office attendance.

Omnicom is committed to hiring and developing exceptional talent. We agree that talent is uniquely distributed, and we’re focused on developing inclusive teams that can bring the best solutions to everything we do. We strongly believe that celebrating what makes us different makes us better together. Join us—we look forward to getting to know you.

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