About Vistech Consulting
Practical IT support for public and for-purpose organisations
Vistech Consulting is an independent IT consultancy that works with not-for-profit and public sector organisations to make technology clear, secure, and more useful.
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Since 2015, we’ve helped organisations navigate IT strategy, cybersecurity, governance, and digital change — with a structured, supportive, and realistic approach.
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We understand that in mission-driven organisations, technology can feel like a burden. That’s why we focus on what matters: practical improvements that reduce risk, support people, and build capacity.
Our Key Team
With experience delivering IT strategy development, risk management, business analysis, and strategic advice, our consultants understand the challenges for-purpose organisations face in managing and modernising their IT environments
Peter Sack
Founder / Principal Consultant
Peter is an accomplished IT leader with deep expertise across public, commercial, and nonprofit sectors. Known for strategic insights and practical solutions, Peter has guided organisations through complex transformations, from IT strategy and compliance to service delivery. He brings balanced expertise to drive technology alignment, efficiency, and security across diverse enterprises.
Kathrine Callegari
Senior Consultant
Kathrine is a highly experience Senior Consultant with extensive expertise in business systems analysis, data governance, software enhancements, and change management. With over 25 years IT experience, she has led enterprise data initiatives, IT transformation projects, and business intelligence implementations.
Guy Ballard
Itinerant Senior Consultant
Guy’s career has spanned nearly every role in the IT domain; including IT teacher & lecturer, systems analyst & architect, project manager, department manager and IT executive in some of Australia’s best-known companies. Currently in a senior IT leadership role, Guy provides as-needed advice to both Vistech and our clients.
FAQs
Do you only work with not-for-profits?
We specialise in not-for-profits and public sector organisations, but also support small commercial teams.
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We don’t have an internal IT team. Can you still help?
Absolutely. Many of our clients are in exactly that position.
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What’s your approach to security and compliance?
Risk-based, realistic, and proportionate to your size and needs.
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Can you work with our existing IT provider?
Yes. We often collaborate with internal or external providers.
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Do you offer fixed-scope or ongoing advice?
Both — from one-off reviews to ongoing improvement partnerships.