Ontology & Knowledge Graph Architect with 5+ years hands-on experience designing OWL/RDF ontologies and knowledge graphs for operational decision-making across telecommunications and academic research. PhD-level grounding in knowledge graph and ontology research (University of Queensland) plus 15+ years of broader enterprise data modelling, working closely with SMEs and data engineering teams to turn ambiguous requirements into scalable semantic schemas and working graph platforms.

Kwok Cheung

Ontology & Knowledge Graph Architect with 5+ years hands-on experience designing OWL/RDF ontologies and knowledge graphs for operational decision-making across telecommunications and academic research. PhD-level grounding in knowledge graph and ontology research (University of Queensland) plus 15+ years of broader enterprise data modelling, working closely with SMEs and data engineering teams to turn ambiguous requirements into scalable semantic schemas and working graph platforms.

Available to hire

Ontology & Knowledge Graph Architect with 5+ years hands-on experience designing OWL/RDF ontologies and knowledge graphs for operational decision-making across telecommunications and academic research.

PhD-level grounding in knowledge graph and ontology research (University of Queensland) plus 15+ years of broader enterprise data modelling, working closely with SMEs and data engineering teams to turn ambiguous requirements into scalable semantic schemas and working graph platforms.

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Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate

Work Experience

SME Consultant — Domain Ontology Architect at Skillfield (engaged to NBN Co)
September 1, 2025 - June 30, 2026
Partnered with NBN Co to design an enterprise knowledge graph, delivering high-fidelity domain ontologies for critical operational challenges. Architected an ontology-driven workflow for automated capacity planning, transforming manual processes into knowledge-graph-driven automation. Designed a domain ontology to synthesize fragmented customer feedback into actionable insight for frontline service teams. Line-managed 6 direct reports, providing mentoring and professional development under active delivery timelines.
Principal Data and Analytics Consultant at NCS Australia
November 1, 2021 - July 31, 2025
Delivered data modelling, semantic integration, and governance consulting for government, retail, and energy clients. Applied RDF/OWL techniques to enrich digital radio messages into human-readable operational intelligence for a government forest fire management team on Azure. Applied STAC (SpatioTemporal Asset Catalog) to catalogue aerial fire-watch imagery into a searchable near real-time asset. Led agile modelling for a greenfield Databricks Lakehouse build, designing scalable conformed and dimensional data models. Designed and launched a Data Management Maturity Assessment methodology generating $1M+ revenue; extended the portfolio with AI readiness and AI governance accelerator offerings aligned to ISO 42001 and NIST AI RMF.
Data Management SME — Data Architecture, Engineering, Analysis & Quality (Contract) at NBN Co
May 1, 2017 - September 30, 2021
Subject matter expert leading modernisation of data architecture, engineering, and quality for Physical Network Inventory (PNI) assets. Designed a core graph data model (JanusGraph) powering a real-time network management platform enabling backbone fibre network impact analysis and reducing manual analysis time from days to minutes. Co-founded a data-as-a-product unit to curate reusable PNI data products, reducing discovery/preparation time by ~50% across 10+ business units. Improved data quality scores by 30%+ for critical network assets through a rigorous data curation framework.
Data Governance SME at Kinetic Superannuation
January 1, 2016 - May 31, 2017
Led APRA CPG 235 compliance uplift, critical data elements, and first business glossary. Achieved a 'Defined' maturity rating within 9 months.
Enterprise Data Modeller at Bupa ANZ
March 1, 2015 - December 31, 2015
Built enterprise and canonical data models in Erwin, unifying Customer/Product/Provider views across 10+ business units.
Enterprise Data Architect at NBN Co
September 1, 2012 - March 31, 2015
Lead data architect for Physical Network Inventory (PNI), designing foundational data models and standards for core network data assets. Designed full-stack PNI data architecture from enterprise geospatial models to implementation-level canonical models and schemas (XML/GML). Resolved long-standing ambiguity between location, address, and premises via a context-driven logical model adopted as enterprise standard.
Data Integration Specialist at NBN Co
October 1, 2011 - August 31, 2012
Delivered an in-house data integration solution reducing service-impact assessment time from 2 days to under 10 seconds, saving $1.5M.
System Integration Technical Lead at Westpac
February 1, 2009 - October 31, 2011
Led integration design for an enterprise ITSM transformation program. Received the 2011 BMC Software Award for World Class Achievement.
Software Engineer at University of Queensland
March 1, 2005 - December 31, 2008
Engineered a research project building a Materials Informatics Workbench to accelerate fuel cell R&D. Prototyped a semantic federated search engine using a Materials Science Ontology enabling cross-database queries across disparate research sources. Prototyped a workflow automation engine (WSBPEL) to digitise and automate fuel cell manufacturing, improving experimental consistency.

Education

Doctor of Philosophy in Knowledge Graph and Ontology at The University of Queensland
January 11, 2030 - August 12, 2026
Bachelor of Information Technology, First Class Honours at The University of Queensland
January 11, 2030 - August 12, 2026

Qualifications

Alation Certified Professional – Consultant
January 11, 2030 - August 12, 2026
Databricks: Fundamentals of the Databricks Lakehouse Platform
January 11, 2030 - August 12, 2026
SAFe 4 Certified Practitioner — Scaled Agile Framework
January 11, 2030 - August 12, 2026
Anthropic: AI Fluency Framework & Foundation; Claude 101; Claude Code 101; Claude Code in Action; Model Context Protocol: Advanced Topics; Building with the Claude API
January 11, 2030 - August 12, 2026
LCCI: Certificate of Accounting
January 11, 2030 - August 12, 2026

Industry Experience

Telecommunications, Government, Energy & Utilities, Financial Services, Retail, Professional Services