Location: London
Company: MA+Group
Position: Full-Time
About MA+Group
MA+Group is a culture-led creative agency operating at the intersection of social, entertainment, and luxury brand storytelling. We deliver high-impact social campaigns, ATL hero moments, and cultural activations around globally significant tentpole events (e.g. Met Gala, Grammys, Oscars, Fashion Weeks).
We are entering a significant growth phase and are seeking a senior client services leader to manage one of our largest global accounts and help scale the agency's operational rigor.
The Role
We are looking for a Senior Business Director to lead and grow our flagship account. This is a substantial, multi-workstream business spanning social, ATL hero campaigns, and high-profile cultural activations.
This role will:
Lead day-to-day senior client relationships (primarily Head of Brand-level clients)
Manage and mentor a team of 4 Account Leads
Drive account growth, retention, and operational excellence
Report directly to the agency leadership
This is a highly visible leadership position requiring strategic thinking, precision execution, and commercial acumen.
Key Responsibilities
Client Leadership
Own senior client relationships at Head of Brand level
Act as a trusted strategic partner, not just a delivery lead
Confidently lead QBRs, campaign presentations, and high-stakes conversations
Manage complex stakeholder environments across global markets
Account & Commercial Growth
Identify organic growth opportunities within the JW account
Drive upsell and cross-functional expansion across Social, ATL, and experiential
Own forecasting, scope management, and margin control
Maintain strong client retention and satisfaction
Campaign & Activation Oversight
Oversee integrated campaigns across:
Social-first content ecosystems
ATL hero campaigns
Luxury culture activations (Met Gala, Grammys, etc.)
Ensure excellence in delivery, timeline management, and budget control
Maintain extremely high attention to detail
Team Leadership & Operations
Lead, mentor, and scale a team of 4 Account Leads
Implement and refine processes to support agency growth
Improve workflow efficiencies across cross-functional teams
Foster a culture of accountability and high standards
Ideal Profile
10+ years' experience in senior client services roles within advertising, creative, social, or integrated agencies
Proven experience managing large, global brand accounts
Direct experience working with Head of Brand and CMO-level stakeholders
Strong background across: Social-first campaigns, ATL hero creative and luxury cultural brand activations
Experience leading multiple teams and complex workstreams simultaneously
Commercially savvy with strong financial oversight capability
Highly detail-oriented with strong operational discipline
Based in New York or London (required)
