Advisory Sprint
1–2 weeks
Rapid discovery, stakeholder input, and clear recommendations.
Queensland Government ICT Consulting
Fast, practical, outcome-focused ICT consulting. Xelleron is a pre-approved supplier to the Queensland Government under panel arrangement ICTSS.2403.
Pre-approved supplier to Queensland Government via panel arrangement ICTSS.2403.
What we do
Specialist ICT consulting to support delivery, governance, and modernisation — without the overhead of large consultancies.
Common engagement types
- Discovery & scoping (workshops, requirements, service design)
- Business analysis & process improvement
- Solution architecture & technical advisory
- Delivery support (product ownership, project support, agile coaching)
- Vendor and market support (options analysis, procurement documentation support)
- Data & integration advisory (APIs, reporting, automation)
- Assurance & remediation (health checks, delivery recovery plans)
How we help
Clear advice. Reduced risk. Practical outcomes.
- Clear scope and shared understanding before build
- Practical, implementable recommendations
- Straightforward documentation (briefs, requirements, plans)
- Increased delivery confidence through experienced guidance
Why Xelleron
Small enough to be responsive. Experienced enough to deliver.
- Senior consultants who stay involved end-to-end
- Plain-English communication and transparent artefacts
- Flexible engagement models to suit approvals and budgets
- Optional delivery and implementation support if required
Engagement models
Choose the engagement style that fits your needs.
Project Support
4–12+ weeks
Embedded business analysis, delivery, or product support.
Technical Advisory
As needed
Architecture reviews, integration guidance, data and reporting advice.
Tell us what you're working on
Who we work with
Queensland Government agencies, teams, and delivery partners seeking practical ICT support.
Typical stakeholders
- Program and project teams
- Business owners and operational areas
- Digital and ICT leadership
- Procurement and vendor management teams
Our consultants
Xelleron Consulting is led by senior practitioners who have spent most of their professional lives designing, building, and implementing technology in government, commercial enterprises, not-for-profit organisations, and education. Our consultants bring deep technical judgment, commercial awareness, and practical experience rather than theory or vendor-driven advice.
Calum McGonigle
Principal Consultant
Calum is an experienced technology consultant and delivery lead with a strong track record in designing and implementing practical systems that improve how organisations operate.
Calum specialises in:
- Translating complex business requirements into workable technical solutions
- Process automation
- CRMs
- AI automation
- Designing systems that scale without increasing operational burden
- Working closely with executive stakeholders to align technology decisions with commercial outcomes
Calum brings a calm, structured approach to problem-solving and is known for delivering solutions that are robust, maintainable, and fit for purpose.
"Calum is easy to work with, knowledgeable, and provides genuine value." Excerpt from a full client testimonial - Aaron Roberts, Managing Director, MAP Lawyers. Read the full testimonial
Dr Stefan Slomka
Founder & Consulting Director
Stefan a co-founders of Xelleron and has spent his career working at the intersection of technology, strategy, and applied problem-solving.
Stefan brings:
- Deep experience in custom software development and systems architecture
- AI and Machine learning PhD
- A strong understanding of how organisations use and misuse technology
- The ability to cut through complexity and focus on where technology creates real leverage
Stefan works closely with founders, boards, and executive teams to ensure technology initiatives are commercially grounded, defensible, and aligned with long-term business objectives.
"Stefan helped us navigate a critical transition, select the right development partner, and build the internal capability needed to scale our SaaS business with confidence." Kirsty McCann, Managing Director at Team Management Systems
Alastair Cranswick
Principal Consultant
Ex-Big-4 management consultant combining data science with skills in organisational communication and change management.
Alastair is known for:
- Experienced workshop facilitator, specialising in achieving consensus with the human-centric design approach.
- Expert in structured decision-making and risk management approaches used by large consulting firms.
- Thought leader on the opportunities and risks of AI.
Alastair brings a disciplined, hands-on perspective that ensures recommendations are practical, implementable, and resilient over time.
"Al Cranswick was part of a 3-person team of specialists that comprehensively reviewed our marketing, sales, customer on-boarding and partnership operations, providing the evidence-based insights we had been seeking for years." Stephen Gook, Head of Marketing at Teachers Union Health Fund
Mark Jeacocke
Solution Architect
Mark is a co-founder of Xelleron and has over 25 years of experience in technology. He was a co-founder, senior developer and architect for Avand before its sale to TechnologyOne in 2007. There he was instrumental in developing their leading document and information management system, which was used widely throughout local government. He also built a lane management system for VicRoads, which was used on their M1 and M80 upgrade projects.
Mark is known for:
- Deep experience designing practical systems for government environments
- Document and information management solutions used across local government
- Major transport infrastructure delivery support (VicRoads M1/M80)
Dean Jackson
Principal Consultant
Dean has both a IT, Finance and Management background.
Dean is known for:
- Understands financial reports
- Financial API endpoints
- Project implementation
- Microsoft platforms
- Advanced Excel spreadsheets
Chui Tey
Principal Consultant
Chui is a broadly skilled software consultant with over 25 years of experience delivering enterprise and mission-critical systems across banking, insurance, and payments.
Chui is known for:
- Leading teams on large-scale enterprise and government projects
- Guiding cloud and integration initiatives across Azure and AWS
- Modernising and migrating legacy platforms, including .NET and Azure Functions
- Performance profiling, load testing, and reliability improvements in high-throughput systems
- Designing CI/CD pipelines and deployment automation
- Working with executive stakeholders to align technical decisions with business outcomes
Chui brings hands-on depth as both a consultative leader and individual contributor, with a track record of mentoring teams and delivering pragmatic, robust solutions.
Queensland Government pre-approved supplier
ICT Professional Services Panel (ICTSS.2403)
Engagements can be established via the panel process to simplify procurement.
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