Biddable Account Director

Company: Momentum Worldwide
Apply for the Biddable Account Director
Location: London
Job Description:

Overview

In this role, you lead the activation and execution of performance media strategies across Search, Video, App and Social within the Addressable team. You’ll manage day-to-day output, drive reporting and optimisation for UK clients and European workloads, and lead a team of Account Executives and Account Managers to ensure high-quality, timely delivery. You will collaborate with internal stakeholders to optimise processes, leverage MMM and in-platform measurements, and build strong relationships with media owners. Your work combines data-driven insights with hands-on leadership to elevate client outcomes and advance innovative biddable solutions.

Responsibilities

  • Tactical and strategic understanding of search, social, app and video platforms
  • Manage day-to-day operational output for reporting and optimisation across UK and Europe
  • Lead and develop a team of Account Executives and Account Managers
  • Partner with the Biddable director to optimise process workflows and drive efficiencies
  • Collaborate with internal stakeholders to enforce operational excellence
  • Apply performance insights from MMM and in-platform measurement to prove success
  • Manage tracking, trafficking and bid management using tools like SA360, Campaign Manager, Marin, Sprinklr
  • Oversee junior team development and long-term career progression
  • Support broader client and agency projects, owning key workstreams
  • Raise work quality and translate insights into data-driven planning
  • Act as senior client and agency lead, managing expectations and escalations
  • Build knowledge with media owners and publishers to promote a learning framework
  • Share latest POVs on biddable media with clients
  • Maintain a client-centred service mindset
  • Represent Mediahub positively to clients and stakeholders

Key requirements

  • Curiosity about new technology and global culture
  • Self-starter with proactive attitude and problem-solving mindset
  • Leadership and teamwork orientation with collaborative approach
  • Sense of humor and ability to maintain balance
  • Passion for how communications impact client business and confidence to back ideas with business sense
  • Strong communication skills at senior levels, both written and verbal
  • Business acumen across clients’ businesses beyond biddable media
  • Educator mindset with willingness to stay updated on biddable and marketing topics
  • Experience leading large-scale international clients in biddable technologies
  • collaborative
  • proactive
  • strong communicator
  • SA360
  • Campaign Manager
  • Marin

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Posted: October 1st, 2026