Coles Group Chief Technology Officer Exits After Only One Year
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Brief Overview
- Coles Group CTO Mike Sackman departs after just one year.
- COO Matt Swindells is stepping in as interim replacement.
- Sackman advanced Coles’ tech strategy and cyber security measures.
- Implemented tools such as ChatGPT Enterprise and Copilot.
- His departure comes after a reshuffle in leadership following John Cox’s exit.
Another Leadership Shift in Coles Group’s Tech Division
Coles Group is undergoing yet another change in leadership as Chief Technology Officer Mike Sackman exits after a brief tenure of merely one year. His departure signifies a significant transition for the Australian grocery leader as it works through its ambitious plans for technological transformation.

Insights into Sackman’s Role and Contributions
Sackman, who assumed the position in March 2025, brought an extensive background from his previous CIO positions at UK retail leaders such as John Lewis Partnership, Waitrose, and Argos. Throughout his year at Coles, he played a crucial role in pushing the company’s tech agenda forward, particularly through the execution of their 3D strategy.
Enhancements Through the 3D Strategy
The 3D strategy remained at the forefront during Sackman’s time, aiming to position Coles as a leading destination for food and drink, while fast-tracking digital advancements and ensuring reliable service delivery. Under his guidance, Coles adopted advanced tools like ChatGPT Enterprise and Copilot, which optimized routine operations and elevated work quality throughout the organization.
Reinforced Cyber Security Protocols
Sackman placed significant importance on cyber security, enhancing the safeguarding of customer and employee information. His initiatives ensured that Coles’ physical and online platforms operated efficiently, strengthening trust among consumers and stakeholders alike.
Leadership Transition and Future Outlook
As Sackman heads back to the UK, Coles’ COO Matt Swindells will act as interim CTO. This shift follows the exit of previous CTO John Cox, who departed after a restructuring of the tech leadership towards the end of 2024. Coles is now charged with the task of identifying a fitting successor to continue pushing its technological evolution.
Conclusion
The exit of Mike Sackman from Coles Group after just one year as CTO signifies a critical juncture for the organization. His contributions towards advancing technology programs and enhancing cyber security have laid a strong groundwork for future progression. As Coles deals with this leadership alteration, the company remains committed to its strategic techno-objectives and further growing its digital footprint.
