Brett Grebert joins Cartology as GM of marketing

By AdNews | 19 January 2026
 

Bret Grebert. Credit: Cartology

Cartology has appointed former George Weston Foods marketing and innovations director for Tip Top, Brett Grebert, as general manager of marketing across Australia and New Zealand.

Grebert brings more than 30 years’ experience in FMCG, spanning marketing and sales roles at large food and beverage companies. He most recently led brand, product development, insights and innovation at Tip Top.

Cartology managing director Mike Tyquin said Grebert’s background would sharpen how the business presents itself to clients. 

“Brett’s Marketing and FMCG experience will bring a clear view on how we position Cartology with our clients,” Tyquin said. 

“His appointment underscores our commitment to evolving our marketing and propositions capabilities, elevating our clients' experiences and delivering on our next phase of growth.”

Grebert said the timing of the move aligned with changes in retail media. 

“It’s such a fantastic time to be joining 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,” he said. 

“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.”

The role is effective immediately and Grebert will report to Tyquin.

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