Agency

Ledger Bennett

Job Title

Head of Omnichannel Activation

Location

London

Contract Type

Permanent

Role Overview

We are seeking an experienced omnichannel activation leader to oversee the agency's media buying function, establish activation best practices, and drive executional excellence across paid media. This role combines deep hands‑on knowledge of media activation with strategic leadership, ensuring campaigns are delivered to the highest standard while continuously evolving processes, capabilities, and ways of working. The ideal candidate brings extensive experience across the full digital media ecosystem, understands how channels work together throughout the customer journey, and can confidently translate business objectives into sophisticated activation strategies. They will lead a team of activation specialists, partner closely with media strategy, analytics, and client leadership, and help shape the future of the agency's activation offering.

Key Responsibilities

Activation Leadership

Lead the agency's activation function across paid search, paid social, programmatic, ABM, content syndication, CTV, digital audio, DOOH, and emerging media channels.
Establish and continuously evolve activation best practices, governance, quality standards, and operational processes.
Ensure consistent executional excellence across campaign planning, trafficking, optimization, measurement, and reporting.
Develop scalable ways of working that improve efficiency, quality, profitability, and delivery.

Media Strategy & Execution

Translate business objectives into integrated omnichannel activation strategies that balance brand building and performance outcomes.
Provide strategic oversight of campaign architecture, audience strategy, bidding approaches, budget allocation, testing roadmaps, and optimization frameworks.
Review and approve media recommendations, investment strategies, measurement plans, and activation deliverables.
Ensure media plans leverage appropriate channels, formats, and technology to maximize performance across the full funnel.

Platform & Technical Expertise – Platforms

Google Ads, Microsoft Ads
LinkedIn, Meta, Reddit
Demand‑side platforms (StackAdapt and other DSPs)
Content Syndication platforms
ABM platforms including 6sense and ZoomInfo
Google Analytics 4, Google Tag Manager, Looker Studio, and measurement frameworks

Platform & Technical Expertise – Leadership

Campaign architecture and account structures
Conversion tracking and tagging
Pixel implementation and QA
UTM governance
Attribution methodologies
Budget management and billing processes
Platform innovation and adoption of emerging capabilities

Team Leadership

Lead, coach, and develop a high‑performing activation team across multiple disciplines and geographies.
Establish clear performance expectations, career development plans, and ongoing coaching.
Foster a culture of accountability, collaboration, innovation, and continuous improvement.
Build technical capability across the team while standardizing best practices and quality assurance.

Client Leadership

Serve as a senior activation advisor to clients, providing strategic recommendations and executive‑level guidance.
Present integrated activation strategies, optimization opportunities, and performance insights with confidence and commercial credibility.
Build trusted relationships with senior client stakeholders while ensuring recommendations align with broader business objectives.

Commercial & Agency Growth

Support new business pitches through activation strategy, channel recommendations, media planning, and commercial solutions.
Partner with platform vendors to identify innovation opportunities, training, beta programs, and commercial partnerships.
Contribute to agency product development by evolving activation capabilities, delivery models, and service offerings.
Stay ahead of industry trends, platform developments, privacy changes, AI capabilities, and emerging media opportunities.

Required Experience

10+ years of experience leading paid media activation across multiple digital channels.
Deep expertise across performance marketing and brand media activation with a strong understanding of full‑funnel planning.
Proven experience developing omnichannel media strategies spanning search, social, programmatic, ABM, content syndication, video, CTV, audio, and emerging channels.
Strong technical understanding of campaign implementation, tracking, tagging, attribution, measurement, and platform architecture.
Experience leading and developing high‑performing activation teams.
Demonstrated ability to improve operational processes, establish best practices, and scale delivery models.
Strong commercial acumen with experience supporting business growth, media investment decisions, and client profitability.
Excellent communication, presentation, stakeholder management, and leadership skills.

Core Competencies

Omnichannel Media Strategy
Performance Marketing
Media Buying & Optimization
Campaign Architecture
Measurement & Attribution
Marketing Technology
Operational Excellence
Team Leadership & Coaching
Commercial Strategy
Client Consulting
Vendor & Platform Partnerships
Innovation & Continuous Improvement

Equal Opportunity

Here at Havas across the group we pride ourselves on being committed to offering equal opportunities to all potential employees and have zero tolerance for discrimination. We are an equal opportunity employer and welcome applicants irrespective of age, sex, race, ethnicity, disability and other factors that have no bearing on an individual’s ability to perform their job.

About Us

Founded in 1835 by Charles-Louis Havas, Havas is one of the world’s largest global communications groups, with more than 23,000 people in over 100 countries sharing one single mission: to make a meaningful difference to brands, businesses, and people. Havas has developed a fully integrated model covering all communications activities. The teams of the three business units, Creative, Media and Health & You, work together with agility and in perfect synergy to offer clients tailor‑made, meaningful, innovative and entertainment‑oriented solutions that support them in their positive transformation.

Life at Havas

We take great pride in our Havas family. They bring many unique personalities, perspectives, and passions to their work. Collaboration is at the core of how we operate, and Havas Villages are the homes we work in. We encourage our people to take advantage of our many opportunities to learn and grow. Through local agency training sessions, our unique global and development programs, we offer our people endless opportunities to explore.

Havas Media Network

We create the best media experience, capitalizing on the most meaningful media to build more meaningful brands. We know how to connect a client with their target audience – in the context of where they are, through the content they pay attention to. We deliver this expertise through the Mx System, our global operating methodology and strategic planning process, that creates value for our clients by turning consumer intelligence into clear growth targets, aligning stakeholders and KPIs, and measuring the impact of media experiences.

Havas Creative Network

At Havas, we believe creativity isn’t just a description of our business, it is part of our agencies’ DNA. We bring together some of the industry’s most creative and accomplished agencies. By combining creative expertise with the strategic and innovative power of our Villages, we can build seamless teams around the individual needs of each of our clients.

Havas Health

Driven by human purpose and focused on the betterment of humanity through health, Havas Health & You leverages a global collection of experts and individuals to help people everywhere live healthier lives. With a spirit rooted in innovation, creativity, and education, we are dedicated to delivering consistent excellence and groundbreaking work.

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