Stagwell Global, LLC

Head of Programmatic

Job Locations UK-London
Requisition ID
2025-5994
# of Openings
1

About Us

At Assembly, our mission is to find the change that fuels growth. We apply this principle to the work we do with our clients and to how we engage with our people. We’re a modern global agency bringing together media, data, technology and talent to make brands perform.

 

Our business is purpose driven. In March 2022, we were named Ad Age’s first ever Purpose-Led Agency of the Year, recognised for our mission to leave the world better than we found it. This year we became B Corp certified, the result of a two-year journey. We’re proud to have created a culture where diversity of thought, experience, and background are valued, within an environment that fosters continuous learning, adaptability, and a shared passion for meaningful impact.

When you join Assembly, you become part of an award-winning global community of digitally led experts, home to 1,500 talented people across 25 offices globally. Together we create unique data, technology and media solutions that enable faster and smarter problem solving within an inspired, collaborative workplace.

 

Assembly is poised for its next chapter of growth. We’re a meritocratic, high-performance business with a progressive outlook and a growth mindset in all that we do. To realise our potential we need some new skills and thinking.

 

The core DNA of Assembly lies in digital performance marketing. New and existing clients are asking us to extend this expertise across all media, connecting traditional channels with digital methods of execution, measurement and automation. We were born the right way to do this – we’re building out from a leading digital and technology capability and adding the rest, rather than trying to reverse engineer a legacy business into a more modern version of itself. At Assembly we ask our people to embody three core values:

 

Show Up: actively contribute to a space of personal and collective growth

Make Change: embrace obstacles as opportunities, taking intentional steps to drive positive change

Win Well: approach success with integrity, responsibility, and a commitment to collaboration, understanding that the journey is as important as the destination.

 

We look forward to meeting you and to discussing how we can grow together.

Overview

This is an exciting role at a critical time for our clients: we need to evolve our offering to help them get ready for the next phase of growth in the context of AI, increasing regulatory pressures and fragmentation of the market place.

Your role will be to build upon our existing programmatic offering and turbo charge it into a team of brilliant experts, with gold standard operating procedures, new products and services which is famous in the market for delivering exceptional performance for clients.

You will be one of the leaders of the 120 strong Assembly Activation division, reporting into the EMEA Chief Activation Officer.

You’ll lead a team of 10 programmatic experts, based in the UK, France and India working across clients that include Estee Lauder, Lenovo, Moncler and many others.

The key focus on the role is to deliver growth for our clients, the agency and our people through programmatic advertising.

Responsibilities

Channel and technical expertise.

  • Develops a team of deep programmatic expertise in both channel planning and activation.
  • Adopts a ‘first to test, master and scale’ approach to new features, products, approaches and platforms.
  • Creates regular programmatic point of view documents and case studies which demonstrate our expertise.
  • Establishes and evolves maturity models and auditing frameworks for clients in programmatic.
  •  

Commercial

  • Manages team costs and income to defined margin targets.
  • Ensures adherence to finance processes and budget management.
  • Designs and executes resourcing models which ensure we deliver to the highest standards for clients while fulfilling our contractual obligations.
  • Works with the commercial director to ensure we work within the preferred supplier list (PSL) as much as possible and meet our commercial targets.
  • Works with client managing partners to ensure media forecasts are accurate and up-to-date.
  • Proactively explores and develops new commercial models and products.

Operational excellence

  • Designs and delivers operational best practice in programmatic which ensures high quality and consistent delivery across all programmatic teams.
  • Integrates onshore and offshore teams to ensure they work seamlessly together and to the same high standards of delivery and performance.
  • Establishes routines and ways of working which ensure our teams are close to the ‘real-time’ performance of accounts and therefore able to deliver exceptional insight and performance.
  • Ensures teams are organised, have clear roadmaps and deliver to high quality work to agreed deadlines.

 

Client and partner leadership

  • Establishes strong relationships with key clients, media owners and technology partners.
  • Collaborates with media partners to create value for our clients and the agency.
  • Develops a client first mentality across the programmatic team ensuring your team act in the best interests of our clients and always show up positively.
  • Drives exceptional performance for our clients and ensures our clients and the agency know about the value we bring to our clients’ businesses.

 

Department leadership

  • Creates a high performing community of specialists who support and challenge one another.
  • Represents the department at all levels across the agency, collaborating positively and with purpose.
  • Nurtures an inclusive team ensuring everyone is heard and treated equally.
  • Implements talent management strategies.

Required Skills

  • 10+ years agency experience.
  • Deep expertise in DV360 and Teads Ads Manager.
  • A good level of experience in managed service display advertising.
  • Highly analytical with advanced Excel skills.
  • Good relationships with teams at Google, Teads and other media owners and technology providers.
  • Can call upon lots of examples of delivering growth for clients.
  • Has an excellent track record of winning new business.
  • Leads with clarity, positivity and energy.

Equal Opportunities

Assembly is an advocate for equal opportunity in the workplace. We are committed to ensuring equal opportunities regardless of race, colour, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability and gender identity. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know.

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