I
Enterprise modernisation
A fragmented application estate was making business change harder to coordinate.
The full account
Chief Information Officer · Australia · Global perspective
HarrietBarrett
Connecting technology investment to enterprise outcomes.
I connect enterprise technology decisions with the way an organisation serves customers, manages risk and gets work done.
Open to
- Board appointments
- Advisory roles
- Speaking invitations
62%
Applications retired
Simplified estate in three years
99.98%
Core platform availability
Through a full modernisation
₹740 Cr
Run-cost released
Reinvested in digital products
14
Countries on one ERP
From nine legacy systems
Enterprise technology must support change while keeping essential work dependable. I begin with business capabilities, make dependencies visible and agree ownership of the transition with operating leaders. Resilience and adoption belong in the investment case from the start.
Harriet Barrett
Chief Information Officer
Areas of stewardship
Where accountability has been mine.
- IDigital transformation
- IICyber resilience
- IIIEnterprise architecture
- IVData governance
Selected work
Decisions, and what they changed.
II
Resilience programme
Resilience had been discussed as a technical topic detached from business continuity.
The full accountIII
Data transformation
Different business units used the same terms for different measures.
The full accountIn the boardroom
Stewardship beyond the executive role.
Westmoor Housing Finance
Independent Director
IT Strategy (Chair) · Risk
2022 — Present
The Digital Public Goods Council
Advisory Board Member
Cyber Resilience Working Group
2020 — Present
In the words of others
Trusted by those who appoint.
Made technology a boardroom conversation about outcomes, not acronyms.
Modernised the core while the business kept running at full speed. A rare combination of courage and care.
The journal
Perspective, set down with care.
Modernisation begins with a business capability
An application replacement is easier to describe than the business change it is meant to enable.
Read the essayResilience is a cross-functional rehearsal
A recovery plan is incomplete if the people who must make decisions have never worked through it together.
Read the essayTechnology adoption has an operating owner
A system can be available without becoming the organisation's way of working.
Read the essayRecognition
Honours
- CIO 100The Technology Leaders Review2024
- Digital Transformation of the YearThe Enterprise Technology Awards2022
On record
As featured in
The Technology Leaders Review · 2025
“Retiring 600 applications without breaking the business”
The Boardroom Review · 2024
“What boards should ask about cyber resilience”
The Leadership Ledger podcast · 2023
“Episode 98 — Technology debt is a strategy decision”
An invitation
The most consequential work begins with a conversation.
For board, advisory and leadership conversations where digital transformation matters.
Open to
- Board appointments
- Advisory roles
- Speaking invitations
office@harrietbarrett.example