Global Senior Account Executive in London

We are the ROI agency, a position we have proudly held true to since 2005. Our more than 6,000 specialists across 95 markets offer unparalleled capabilities in Media, Data, Technology, Commerce and Content. We put effectiveness at the heart of our work to solve complex challenges, drive successful business outcomes, and grow our clients’ businesses.

Over the years, we have evolved our definition of ROI, as it has changed with the ever-complicated communications landscape. ROI is no longer simply about the most efficient planning, buying and reporting of media. Yes, ROI is about delivering Return on Investment; but it’s also about going beyond to deliver a Return on Imagination and more integrated experiences that inspire Growth. Top-line growth for our clients’ businesses, growth for our people and growth for our culture.

Powered by our best-in-class proprietary tools and data, our work spans the full spectrum of media communications, from analytics, data and technology to performance marketing, content and superior trading. This breadth means we deliver Insight that lies at the intersection of consumer, category, and brand, attributing every budget to stronger business outcomes. It means we deliver more creative media solutions that bring together best-in-class strategy, planning and the power of Publicis Groupe to ensure distinct and more personal brand experiences for our clients. It means we adopt new data analytics and value optimisation techniques while building relationships with some of the world’s most exciting start-ups. We leverage over 30 years of media planning expertise to go beyond traditional media solutions and deliver a Return on Investment that is both forward-thinking and accountable to our clients. At Zenith, we ultimately seek out a more meaningful kind of ROI. Our unique way of thinking inspires growth for some of the world’s leading brands, including Coty, Electrolux, Essity, Lactalis, Luxottica, Nestlé, Nomad Foods, Reckitt, TikTok and Verizon.

We’re hiring a Global Senior Account Executive who thrives on bringing order to complexity and turning moving parts into something that just works. This role sits at the centre of a global pharmaceutical account, where precision, collaboration, and clear thinking make all the difference. You’ll connect markets, teams, and data—helping shape media activity that is not only effective, but delivered with confidence in a highly regulated space. If you enjoy being the person who keeps everything aligned, on track, and meaningful, you’ll feel at home here.

Responsibilities

• Be the go-to contact for day-to-day account activity, keeping communication clear, calm, and solutions-focused.
• Orchestrate weekly status calls that bring together multiple teams and markets into one coherent view.
• Build sharp, well-structured presentations that make plans, progress, and insights easy to understand and act on.
• Work closely with local teams to ensure campaigns land consistently against global strategy.
• Support the Global Account Director in raising the bar on quality and consistency across regions.
• Interrogate and sense-check media plans—spotting gaps, inconsistencies, or risks before they become issues.
• Pull together reporting that tells a clear story, blending data, performance insight, and financial accuracy.

Qualifications

• Experience working across several media channels within an agency or similar environment.
• A natural organiser who can juggle multiple priorities without losing focus or detail.
• Clear, confident communicator who can adapt their style across clients, markets, and internal teams.
• Sharp attention to detail, with a genuine pride in getting things right.
• Comfortable working with data—able to interpret performance and explain it in simple terms.
• Working knowledge of Excel and PowerPoint to support analysis and storytelling.
• An appreciation for working in a regulated vertical where accuracy, compliance, and process really matter.

Zenith International offers a wide range of benefits to support our employees. Full details are shared when you join, but highlights include core benefits such as Pension, Life Assurance, and Private Medical cover, alongside enhanced policies like Reflection Days and Shared Parental Leave. You’ll also have access to a range of additional initiatives.

Publicis Groupe works primarily from the office or our clients' office four days per week. At Zenith International, we are proud to be an equal opportunities employer. We welcome and encourage applications from people of all backgrounds, and do not discriminate on the basis of race, ethnicity, nationality, religion or belief, disability, age, citizenship, relationship status, sexual orientation, gender identity, or any other protected characteristic. We are committed to providing a fair, accessible, and inclusive recruitment process. If you have any access needs - for example, related to disability, neurodivergence, or a health condition - please let us know. We’ll work with you to ensure the process works for you. Sharing this information will never impact your application. Guided by our values, we listen with empathy, uplift each other, take responsibility, and embrace change - building a culture where everyone feels seen, respected, and genuinely included.