Senior Account Executive

Company: Mediahub Worldwide

Location: London

Posted: May 6th, 2026

Mediahub is a full-service media agency with a unique structure and client offer. We grew out of creative agency MullenLowe in the hot crucible of the digital and data revolution that has transformed media over the last ten years.

We believe media’s strongest growth lever is innovation. AI and algorithms are useful for efficiency but lead brands to say similar things in similar places to similar audiences. Effectiveness comes from innovation, and innovation comes from creativity.

At Mediahub, our positioning, More Pilot, Less Auto, offers clients an antidote to the ‘mindless media’ that results from automation, bringing active stewardship to deliver media effectiveness.

We offer the best of both worlds: an entrepreneurial culture backed by the global scale of Mediabrands. You’ll join an agency that’s full of energy, experimentation and ambition. We’re a home for pilots, not passengers.

We live by our values:

About the role

The Media Planner and Buyer will be the day-to-day steward for New Balance across EMEA.

The person in this role will be required to maintain a strong knowledge of the clients' business to deliver against their needs and objectives.

You will help craft and execute innovative multi-channel media campaigns that deliver against New Balance’s core objectives. Leveraging your expertise in media planning and buying, you’ll push boundaries to deliver high-impact brand awareness campaigns for major sponsored events like the London and Valencia Marathons while adopting a more tactical approach for product launches.

This role offers the opportunity to shape standout campaigns that capture attention, engage audiences, and elevate the brand on a global stage.

Responsibilities

Skills & Requirements

Employee Transparency

At IPG Mediabrands, we celebrate differences and believe this makes us stronger. IPG Mediabrands are an equal-opportunity employer committed to championing an inclusive culture that provides a sense of belonging for all our employees. We do not discriminate against any applicant based on age, disability, race, colour, ethnicity, national origin, gender, sexual orientation, gender identity, religion, belief, marital status or any other characteristic protected by law.

The Perks

We aim to provide all our people with a supportive and fun work environment where you can develop your full potential and benefit from the broad range of opportunities within the agency.

When you join us, we want to make sure you feel valued – and that you are rewarded for your fantastic work. So, we also offer a range of benefits:

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