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Assembly Global

Omnichannel media planning, data-driven marketing services

Global Investment Director

Marketing Generalist & ManagementConfirmed live in the last 24 hours
Full-timeUnited KingdomNo salary listedIn-person

About the Job

Requirements

  • Significant experience in media investment, trading, commercial strategy, pricing, or procurement-facing functions within an agency, consultancy, or related environment.
  • Proven success leading complex multi-market pricing exercises and commercial negotiations.
  • Strong understanding of global media buying practices across digital, offline, and emerging channels.
  • Demonstrated experience building new functions, products, processes, or operating models from the ground up.
  • Advanced commercial and financial modelling skills.
  • Strong analytical capability with the ability to translate data into strategic recommendations.
  • Excellent stakeholder management and presentation skills, including engagement with C-suite and senior client stakeholders.
  • Experience leading cross-functional and cross-market projects in a global environment.
  • Highly organised with strong attention to detail and project management capabilities.
  • Entrepreneurial approach and enthusiasm for building a function from scratch.
  • Ability to thrive in ambiguity and create structure where none exists.
  • Ability to combine strategic thinking with hands-on delivery.
  • Ability to challenge conventional investment practices and seek better ways of working.
  • Commercial drive and focus on creating value.
  • Ability to build credibility through expertise, influence, and delivery.
  • Willingness to leverage AI to modernise processes and decision-making.
  • Resilience and drive to lead transformational change in a fast-paced global environment.

Responsibilities

  • Lead end-to-end development of multi-market pricing submissions for global and regional pitches.
  • Partner with agency, client, and market leadership teams to develop competitive, commercially sound investment strategies.
  • Build and maintain global pricing methodologies, templates, benchmarks, and governance frameworks.
  • Ensure consistency, quality, and accuracy across all pricing exercises.
  • Develop market-by-market investment assumptions and challenge local pricing submissions where required.
  • Present pricing strategies and recommendations to senior agency leadership, clients, and procurement stakeholders.
  • Act as the central investment lead for strategic new business opportunities.
  • Design and implement global productivity methodologies and reporting frameworks.
  • Lead annual productivity planning exercises and commercial improvement programs.
  • Identify opportunities to improve buying efficiency, operational effectiveness, and commercial outcomes across client portfolios.
  • Develop processes, tools, and governance to support ongoing investment performance measurement.
  • Partner with regional and local investment teams to implement productivity initiatives and best practices.
  • Translate complex data into actionable commercial recommendations for senior stakeholders.
  • Build the SMP Global Investment function from its current foundation.
  • Develop the operating model, governance structure, service offerings, and engagement processes.
  • Create scalable global tools, templates, frameworks, and knowledge repositories.
  • Establish investment excellence standards and best practices across markets.
  • Drive adoption and change management across regional and local teams.
  • Identify opportunities for automation and simplification of investment workflows.
  • Champion the adoption of AI and advanced technologies within investment and trading processes.
  • Develop innovative approaches to pricing, forecasting, benchmarking, and productivity analysis.
  • Identify and implement tools that improve accuracy, efficiency, and decision-making.
  • Lead modernisation initiatives that reduce manual effort and create scalable solutions.
  • Foster a culture of continuous improvement and innovation across the investment function.
  • Support the SMP Trading & Partnerships team across strategic commercial initiatives.
  • Contribute to media partner negotiations through commercial analysis, benchmark validation, and deal evaluation.
  • Assist in the development of trading programs, partnership frameworks, and investment opportunities.
  • Support strategic partner engagement and identify opportunities to create additional value for clients and agencies.
  • Collaborate with internal stakeholders to maximise the commercial impact of SMP partnerships.
  • Build relationships across agency leadership, investment teams, client teams, procurement functions, and media partners.
  • Influence senior stakeholders across global, regional, and local markets.
  • Act as a trusted advisor on investment strategy, pricing, productivity, and commercial performance.
  • Communicate complex investment concepts clearly to diverse audiences.
  • Build relationships with external stakeholders, including industry trade bodies, pitch consultants, auditors, and intermediary partners, to enhance SMP's credibility, market reputation, and influence across commercial, investment, and governance initiatives.

Desired Qualifications

  • Experience supporting large-scale global pitches and agency new business initiatives.
  • Exposure to principal trading, media partnerships, or commercial trading agreements.
  • Experience working with media procurement teams and intermediary organisations.
  • Knowledge of automation, data science, or AI-enabled workflow solutions.
  • Experience developing global governance frameworks and operating models.
  • Familiarity with investment benchmarking and productivity methodologies.

About the Company

Assembly Global

Omnichannel media planning, data-driven marketing services

Assembly Global is a global omnichannel media agency within Stagwell that blends data, talent, and technology to provide marketing services. It works by planning and buying media across channels, delivering data Analytics and consulting, creating content, and guiding business transformation, all powered by STAGE, an AI-enabled system that unifies data for real-time insights and campaign optimization. Its differentiators include its placement in the Stagwell Brand Performance Network, a broad B2B and B2C service scope, a worldwide team of 2,300+ across 35+ offices, and STAGE-driven, data-backed campaigns at scale. Its goal is to help enterprise clients—tech, retail, travel, and consumer goods—achieve measurable brand performance through coordinated, cross-channel marketing.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
New York City, New York
Founded
2011

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