About Zefyr Digital

Built where programmatic expertise meets intelligent engineering.

Two disciplines. One operating system.

Zefyr was founded by a senior programmatic operator and a software engineer specialising in AI infrastructure and LLM-enabled systems. One leads strategy, agency requirements and campaign execution. The other engineers the technical backbone. Together, they built a more disciplined way for agencies to access programmatic capability.

International experience · Agency-focused · Technology-supported

Programmatic OperationsEngineering & AI SystemsOne Zefyr System

Programmatic Operations and Engineering and AI Systems travel through separate routes, converge at one Zefyr junction, then continue as one Zefyr system.

Why Zefyr Exists

Specialist programmatic capability should not be limited to the largest agency networks.

Independent and growing agencies should be able to respond to serious programmatic opportunities without building permanent specialist infrastructure or transferring the client relationship elsewhere.

  1. 01Specialist programmatic expertise is often concentrated within larger agency networks.
  2. 02Campaign demand may be valuable but inconsistent, making permanent senior infrastructure difficult to justify initially.
  3. 03External support can create legitimate concerns around client ownership, visibility, governance and commercial control.

The founding system

One leads the operation. One engineers the backbone.

Zefyr was built at the intersection of programmatic media expertise and software engineering. The company’s operating model reflects both disciplines.

Programmatic Operations
  • Strategy
  • Planning
  • Activation
  • Trading
  • Optimisation
  • Governance
  • Reporting
  • Agency and client delivery
  • Commercial operations
Engineering & AI Systems
  • Software engineering
  • Software architecture
  • AI infrastructure
  • LLM-enabled systems
  • Product engineering
  • Internal tooling
  • Technical infrastructure
  • Workflow systems
  • Performa AI development
SHARED OPERATING SYSTEM

Different ownership. One accountable company.

  • Accountable delivery
  • Better operational visibility
  • Consistent campaign processes
  • Human-led decisions
  • Technology-assisted execution
  • Agency-ready output

The founders

Complementary expertise. Shared accountability.

Zefyr is led by two co-founders with different responsibilities and equal commitment to the system they built together.

Programmatic Operations

K Brusa

Co-Founder & Head of Programmatic OperationsInternational programmatic experience · Agency operations

K Brusa leads Zefyr’s programmatic strategy, campaign operations, trading, governance and agency partnerships. His experience spans more than seven years in programmatic media, including approximately five years working in the London market.

His background covers campaign planning, activation, optimisation, measurement, reporting, platform and partner management, agency delivery and senior client-account responsibility. At Zefyr, he translates agency and advertiser requirements into accountable programme strategy and campaign execution.

LEADS
  • Programmatic strategy
  • Agency and client requirements
  • Campaign architecture
  • Trading and optimisation
  • Governance and QA
  • Reporting and insight
  • Commercial campaign delivery
  • Partner relationships

Engineering & AI Systems

Antonio Brusa

Co-Founder & Chief Technology OfficerSoftware Engineering · AI Infrastructure · LLM Systems

Antonio Brusa is a software engineering graduate specialising in software architecture, AI infrastructure and LLM-enabled systems. As Zefyr’s Chief Technology Officer, he leads the engineering behind the company’s technical backbone and the development of Performa AI’s campaign-operations tooling.

His work translates real operational requirements into dependable systems for workflow orchestration, campaign documentation, quality control, operational visibility and decision support. He is responsible for keeping the technology robust, maintainable and aligned with the needs of experienced human operators—supporting campaign judgement rather than replacing it.

LEADS
  • Software architecture
  • AI infrastructure
  • LLM-enabled systems
  • Product engineering
  • Internal tooling
  • Technical infrastructure
  • Workflow systems
  • Performa AI development

What we built

Human judgement supported by a purpose-built operating backbone.

Operational experience defines what the system needs to solve. Engineering turns those requirements into dependable infrastructure. Zefyr remains accountable for the decisions and the delivery.

01

Operational requirements

  • Campaign planning
  • Quality control
  • Pacing visibility
  • Reporting requirements
  • Approval and escalation
  • Agency-ready output
02

Engineered systems

PERFORMA AI — TECHNICAL BACKBONE
  • Workflow orchestration
  • Structured documentation
  • QA support
  • Operational visibility
  • Decision-support tooling
  • Repeatable process infrastructure
03

Accountable delivery

  • Human-led strategy
  • Human trading decisions
  • Governed campaign execution
  • Clear agency communication
  • Traceable decisions
  • Senior accountability

Technology supports the process. Senior expertise remains accountable for the decisions.

International experience · Regional commitment

International discipline. Regional relevance.

Zefyr combines programmatic experience developed in the London market with practical operating experience in Southeast Asia. The objective is not to import a foreign agency template. It is to apply disciplined standards, clear accountability and specialist media expertise in a way that respects local agency relationships, client expectations and market realities.

Experience shaped internationally, applied regionally.
01

International operating experience

Programmatic experience developed through demanding agency and advertiser environments.

02

Southeast Asian market experience

Practical familiarity with the relationships, expectations and operating realities of the region.

03

Independent agency focus

A partnership model designed for independent and growing agencies.

04

Local relationships respected

Client ownership, communication, commercial control and agency positioning remain protected.

Our vision

Expand what independent agencies can confidently offer.

We want serious programmatic capability to be available beyond the largest agency networks. Zefyr gives independent and growing agencies a way to pursue more media scope, respond to more complex briefs and retain more value within the client relationship.

01

More opportunity

Respond to programmatic briefs that would otherwise sit outside the agency’s usual delivery structure.

02

More control

Retain the client relationship, pricing, approvals and strategic ownership.

03

More flexibility

Use specialist support for one campaign, recurring delivery, embedded capacity or a defined project.

04

More capability

Access senior programmatic operations and supporting technology without building permanent specialist infrastructure first.

Work with the people behind the system

Bring us the brief, account structure or capability requirement.

We will tell you clearly where Zefyr can add value, how the engagement can be structured and where it may not be the right fit.

Agency-safe · Confidential · White-label available