01 / mandate · transition management

Chief Technology Officer.

The technology seat that owns architecture, engineering and delivery through a modernization or a leadership gap, with a defined entry and a defined exit.

What does the mandate own?

The CTO mandate owns the technology estate end to end: architecture, engineering, cloud and cybersecurity, the delivery roadmap, and the engineering organization that ships it. The operator carries the accountability of the seat, sets the target architecture, and runs the modernization to it rather than advising from beside it.

When do you bring it in?

Bring the mandate in for a replatforming, a cloud or mainframe migration, a post-acquisition integration, or a sudden CTO gap where the roadmap cannot be left unowned. It fits when the technology decision has to be made and executed on a clock, not deferred to a permanent hire that is months away.

What does the operator bring?

The collective steps in with an operator who has held the CTO seat in blue-chip estates across retail, luxury, banking, insurance and gaming. That operator moves an estate from monolith to composable and from mainframe to cloud, then hands a permanent owner a documented target architecture and a running delivery organization.

What does the mandate own?

The CTO mandate takes the technology seat and its accountability. The operator sets the target architecture, owns the delivery roadmap, and runs the engineering organization that ships it, moving an estate from monolith to composable and from mainframe to cloud without leaving the function unowned.

When do you bring it in?

Bring the mandate in when a technology decision has to be made and executed on a clock: a replatforming, a migration, an integration, or a CTO gap. It is the seat taken, not the advice offered, so the roadmap keeps moving from day one.

What does the operator bring?

The collective steps in with an operator who has held the CTO seat in blue-chip estates. At PMU the move from mainframe to AWS cut total cost of ownership by 87% and held a 99.995% SLA on the replatformed betting applications; at AXA the seat ran 250 engineers across 5 business units. The mandate ends with a documented architecture handed to a permanent owner.

who embodies this mandate
87%TCO REDUCTION · MAINFRAME TO AWSErwan Deschamps · Chief Enterprise & Software Architect, PMU Group (2013-15)
99.995%SLA ON THE REPLATFORMED BETTING APPSErwan Deschamps · Chief Enterprise & Software Architect, PMU Group (2013-15)
250ENGINEERS ACROSS 5 BUSINESS UNITSErwan Deschamps · Group CTO Digital & Big Data, AXA (2017-18)
What does an interim CTO own?
The interim CTO owns the full technology estate for the mandate: the target architecture, the delivery roadmap, cloud and cybersecurity, and the engineering organization, carried as the accountable role holder rather than as an external adviser.
When should a company bring in an interim CTO?
Bring one in for a replatforming, a cloud or mainframe migration, a post-acquisition integration, or a sudden leadership gap where the technology roadmap cannot sit unowned while a permanent hire is found.
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