Open industry specifications, models and software for e-health
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Program Leads

Clinical Modelling Editorial Group


Specification Editorial Committee


Heather Leslie MD, FRACGP, FACHI

2017 -

Heather is an experienced clinician and health informatician, currently the co-lead of the Clinical Models program at the openEHR International and principal at Atomica Informatics.

She has a strong background in information modelling, especially design and clinical verification of atomic health data; a deep understanding of clinical knowledge governance, data quality and safety; and extensive experience in clinician and domain expert engagement. She has also had a long history of involvement in digital health standards, including coordinating the openEHR clinical modelling program since inception in 2008, and as an Australian representative at ISO TC215 for 5 years.

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Silje Ljosland Bakke, RN

2017 -

Silje is an informatician and a registered nurse, and has a clinical background in plastic, reconstructive and hand surgery as well as clinical research from the University Hospital of Northern Norway. She has worked in health IT for more than five years, first in the Bergen Hospital Trust and she’s now an information architect in the National ICT health trust for strategic IT cooperation in the Norwegian hospital system. She has been a leading figure in Norway’s national archetype governance since the start in 2013.

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Sebastian Iancu

Feb 2015 -

In his early professional years, Sebastian developed complex web-based applications for the healthcare sector in Romania and later on in The Netherlands. His main interests were data interoperability, telemedicine and knowledge-based systems. After receiving an Engineering degree in Automation and Computer Science, Sebastian focused on developing a completely new PHP-based implementation of openEHR specifications. In 2010, he became one of the three founders of Code24 BV, and has since been the lead software engineer within this company. Currently, Code24 BV provides openEHR based IT solutions (Base24, mConsole) for more than 100,000 patients and their care providers in the mental healthcare sector in The Netherlands.

Thomas Beale

2015 -

Thomas's academic background is in Electrical Engineering (communications) and Computer Science. His earlier professional work was in real-time distributed control (SCADA) systems for power, gas and mining; investment management and finance, and document and software configuration management systems.

After participating in the GEHR project in 1994 with Prof David Ingram's team at CHIME, UCL (UK), he worked since 1998 on EHR architectures, and participated in international standards work (OMG HDTF, HL7, CEN TC/251) for many years. He is one of the founders of the openEHR Foundation, and principal editor of the specifications. He designed the archetype formalism (ADL) and object model (AOM), now an ISO standard. He ran the Architecture Review Board 2005 - 2008.

He has published a number of papers in health informatics and has also presented widely on EHRs, e-Health and archetypes.

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