Beryllium icon

Marketing Transformation · AI Integration

Helping marketing teams and media organisations
build for the new marketing frontier.

The bridge between vision and reality.
We stay until it works.

Start the Conversation Explore Services
20+ Years media, ops & AI
Both Agency and brand side
One End-to-end engagement

What We Offer

Diagnostic. Strategy.
Operating Model. Fractional Leadership.

We help CMOs, CFOs, and agency leadership teams build the infrastructure, capability, and culture that makes transformation actually land — not just launch.

THE BERYLLIUM METHODOLOGY DIAGNOSE Comprehensive audit DESIGN Strategy & operating model DEPLOY Scale what works DELIVER Build & measure
Advisory

Know exactly where you stand before you spend.

A rigorous current-state assessment of your AI and media maturity. We deliver an unfiltered go/no-go on your transformation investments — and a clear bridge plan for what comes next.

  • AI & media maturity audit
  • Transformation investment assessment
  • Prioritised bridge plan
Strategy

Build the strategy to land the vision.

End-to-end operating model transformation. Workflow design, AI integration, governance, data infrastructure, and people change. We design for the organisation you need to become — not the one you are.

  • Operating model design
  • AI workflow & governance framework
  • Organisational change management
Execution

Move capability in-house — with 20 years of agency-side knowledge.

Architecture, implementation, and team-build for brands moving media and marketing capability in-house. We know how agencies work — and exactly how to make the transition stick, reliably and at pace.

  • In-housing readiness & roadmap
  • Tech stack & partner architecture
  • Team design, hiring & onboarding
  • Measurement setup & first 90 days
Agility

Senior leadership, embedded. Without the full-time cost.

Fractional transformation leadership for organisations that need deep expertise without the full-time hire. Strategic and operational simultaneously — from board-level reporting to hands-on delivery governance.

  • Embedded senior leadership
  • Strategic & operational oversight
  • Board-level reporting & governance

Who We Work With

For leaders who are done with transformation that doesn't land.

No blueprints handed over at the door. We stay until the organisation has actually changed — in its processes, its technology, its culture, and its results.

Let's Talk
CMO

In-housing media capabilities and redefining partner relationships to build leaner, more accountable, AI-ready marketing operations.

Agency CEO

Navigating AI adoption and rebuilding operating models for a market where the old margin structures no longer hold.

CFO

Asking hard questions about margin, ROI, and whether transformation investments are actually delivering measurable returns.

Virginie Goupilleau

Founding Partner

Virginie Goupilleau

Founding Partner · Beryllium

20+ years in big holding groups, across senior roles at Omnicom and WPP. Deep expertise in agency operations, AdTech, programmatic, AI integration, and operating model design.

The rare practitioner who speaks both CFO and CMO — and has built teams and systems on both sides of the table.

AdTech & Programmatic AI Integration Operating Model Design In-Housing Agency & Brand Side M-Shape Leadership

Get In Touch

Ready to build for
the new marketing frontier?

Whether you're navigating AI adoption, in-housing media, or rebuilding your operating model — let's start the conversation.

Let's Talk