Senior Director, Global Media Performance (B2B)

Senior Director, Global Media Performance (B2B)Ledger Bennett, Havas Media's specialist B2B agency, is seeking a Senior Director of Global Paid Media to lead cross-channel media execution and investment strategy across our global client portfolio.This role blends strategic leadership with hands-on activation expertise. You will directly lead activation for five key accounts, while overseeing and supporting delivery across an additional ~15 accounts managed by the broader team. You will partner closely with a European activation counterpart to ensure alignment across markets and lead a distributed team of activation specialists across the US and Europe.We are looking for someone who thrives in an entrepreneurial, high-autonomy environment, enjoys building and improving processes, and can balance strategic thinking with operational execution.What You'll DoLead Activation Strategy & Media InvestmentOversee cross-channel activation across paid search, paid social, programmatic, DOOH and B2B media platforms.Ensure campaigns are executed to the highest standard across planning, buying, optimization, and measurement.Lead activation strategy for five core accounts while providing oversight across ~15 additional accounts.Support investment strategy and negotiation with media platforms, publishers, and technology partners.Build Best-in-Class Activation OperationsEstablish and refine activation workflows, best practices, and operational frameworks.Improve processes related to campaign stewardship, reporting, optimization cycles, and billing alignment.Ensure the activation team operates efficiently while maintaining high-quality delivery.Partner Across Global TeamsWork closely with a European activation lead to ensure consistent standards and collaboration across markets.Align on global activation frameworks, delivery models, and operational processes.Lead & Develop the Activation TeamManage and mentor a distributed team of activation specialists across the US and Europe.Oversee the work of supervisors, buyers, and activation specialists across the portfolio.Support career development through coaching, training, and structured performance development plans.Foster a culture of accountability, collaboration, and continuous learning.Drive Innovation & Business GrowthPresent activation strategies, insights, and opportunities to internal teams and clients.Contribute to new business pitches and activation strategy development.Maintain strong relationships with key platform partners to identify new opportunities and innovations.Platform & Channel ExpertiseYou bring strong working knowledge across major media and B2B marketing platforms, including:Google Ads, Microsoft AdsLinkedIn, Meta, Reddit and other paid social platformsProgrammatic DSPs such as StackAdaptContent syndication platformsABM platforms such as 6sense and ZoomInfoYou should also understand campaign architecture, account hierarchies, conversion tracking, and measurement frameworks.Who You AreA self-starter with an entrepreneurial mindset who takes ownership and drives initiatives forward.An approachable, collaborative leader who builds strong relationships across teams.Confident communicating with clients, senior leadership, and cross-functional partners.Comfortable balancing strategic thinking with hands-on execution.Highly organized with strong attention to detail and the ability to thrive in fast-paced, deadline-driven environments.Analytical and commercially minded, with strong quantitative and problem-solving skills.A supportive team leader who encourages growth, feedback, and inclusivity.Qualifications10-12+ years of experience in digital media activation, performance marketing, or B2B media.Experience managing cross-channel media buying and activation programs.Proven leadership experience managing teams across multiple markets or locations.Experience managing multiple client accounts and complex campaign portfolios.Strong analytical and quantitative skills, with excellent attention to detail.Proficiency in Excel and data analysis tools.Working knowledge of Prisma, or similar media management platforms.Contract Type: PermanentHere 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.