About Us

Photo of John Arnett


John is an information systems architect with over 10 years' experience in information architecture design, systems interoperability and data standards development.

Expertise: domain analysis and modelling, UML data modelling, data architecture frameworks; reference data management; data transformation; and Model Driven Architecture.

Roles Performed:

  • Data Architect
  • Data Standards Modeller
  • Enterprise Architect
  • Solution Designer


Certifications: TOGAF 9

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Photo of David McGuffin


David is an interoperability specialist with extensive experience in HL7 healthcare messaging (versions 2.x and 3), XML technologies and terminologies such as SNOMED CT. David also has a keen interest in model driven design and the use of data standards.

Expertise: UML data modelling; business and systems analysis; XML message interface and content design; and development and application of healthcare data standards.

Roles Performed:

  • Integration Architect
  • Logical Data Modeller
  • Solution Architect
  • Health Informatics Architect


Certifications: TOGAF 9, PRINCE2

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