Senior Account Executive, Investment

Company: Momentum Worldwide
Apply for the Senior Account Executive, Investment
Location: London
Job Description:

Overview

In this role you support client investment requirements and coordinate with cross-functional teams to drive investment strategies. You will help manage the campaign lifecycle from briefing to reconciliation and provide reporting and insights to meet trading targets. You will engage with media owners to keep credentials, rate-cards, and training materials up to date, and contribute to engagement plans and training. You’ll stay on top of industry trends and ensure compliance training is completed, maintaining channel knowledge to deliver market-leading plans.

Responsibilities

  • Support cross-functional Investment requirements for clients with Business Leadership, Activation, Solutions, and other Investment teams
  • Assist the Campaign Lifecycle from briefing through to reconciliation, including planning framework support
  • Provide reporting, research and ideas to inform annual client investment plans
  • Deliver insights to drive delivery against Trading targets for clients
  • Produce weekly industry trend digests and partner with media owners to update creds, case studies, rate-cards, and training materials
  • Act as a key contact for media owners on campaign-level briefing and collaborate on responses aligned with client/internal needs
  • Complete required compliance and risk management training and ensure planning adheres to policies and legal requirements
  • Support Media Owner engagement plans (sessions, workshops, training) and provide operational support to Investment Planning (agendas, pre-reads, data and reporting)
  • Maintain high channel knowledge to develop market-leading plans and strategies
  • Help manage internal and partner sessions with data and reporting requirements

Key requirements

  • Experience with a range of media owners and partners and ability to build collaborative relationships for campaign planning
  • Cross-channel knowledge across multiple media partners and ability to contribute to client planning and briefs
  • Ability to interpret client briefs and support the planning process
  • Collaborative mindset
  • Strong communication and relationship-building
  • Proactive and organised
  • Cross-channel planning knowledge
  • Reporting and data analysis for investment plans
  • Understanding of campaign lifecycle and planning frameworks

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Posted: September 30th, 2026