March 8, 2026

Programmatic

In a world where nearly everyone is always online, there is no offline.

Cartology appoints Brett Grebert as general manager – marketing

Cartology has appointed Brett Grebert to lead its marketing function as general manager, marketing across Aotearoa and Australia.

Grebert joins Cartology with over 30 years of experience in the FMCG industry, boasting leadership experience across marketing and sales within large food and beverage companies. Most recently, he led brand, product development, insights and a number of market-leading innovations for Tip Top.

“Brett’s marketing and FMCG experience will bring a clear view on how we position Cartology with our clients. His appointment underscores our commitment to evolving our marketing and propositions capabilities, elevating our clients’ experiences and delivering on our next phase of growth,” says Cartology’s managing director Mike Tyquin.

Delivering measurable growth

Grebert adds: “It is fantastic to join Cartology at such a pivotal moment in retail media’s growth. I’m genuinely excited to leverage my FMCG background to help shape the next chapter of the business and Cartology’s marketing strategy. I look forward to meeting with our clients and agency partners to understand their needs and the opportunity for us to together, deliver measurable growth for their brands.” 

Grebert’s role is effective immediately, reporting to Tyquin and forming part of the executive leadership team. 

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