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 JW account — now 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)