Dimitrios G. Katehakis (M) holds a Diploma in Electrical Engineering (Telecommunications & Electronics) from the Technical University of Patras, Greece (1991), and an MS in Electrical Engineering (Computers) from the University of Maryland at College Park (1993). Since 2010, he is the Header of the Center for eHealth Applications and Services at the Institute of Computer Science, Foundation for Research and Technology – Hellas (FORTH). His work focuses on data integration analysis and the design of object-oriented systems and distributed architectures for forward-looking, integrated EHR services. Current and past participation in R&D projects, co-funded by the EU, include CAREMATRIX, ROSIA, STARS, RELIEF, MyPAL (Horizon 2020 PCPs), e-SENS (ICT PSP/ CIP), EURECA (FP7-ICT), EHR-Q-TN (FP7-ICT Policy), EHR-IMPLEMENT (DG SANCO), INFOBIOMED (IST/ FP6-2002-IST-1-507585), PICNIC (IST-1999-10345), RETRANSPLANT (DGXIII – Health Telematics), TEMeTeN (DGXVI – RISI 2), HECTOR (DGXIII – Health Telematics) and CreteCT (Ministry of National Economy & INTERREG II). Experience includes also working with the Medical School of the University of Maryland at Baltimore for the IONDT (US Federal) and MCR (MD State, Dept. of Health and Mental Hygiene – CDC) projects, as well as with the National Defense Ministry of Greece, the Association for Research, Technology & Training, and the Hellenic Telecommunications Organization (OTE). Dimitrios is a certified Project Management Professional (PMP). He is also certified in IT Service Management (ITIL Foundation). The period 2005-2010, he was responsible for the implementation of four Integrated Information Systems FORTH developed for four Regional Health Authorities in Athens, West Attica, West Greece, and the South East Aegean, all of them in Greece. Since 2011, he has been scientific responsible for more than 400 projects related to operational EHR systems in the National Health System of Greece (NHS). The period 2016-2018 he served as a representative of the General Secretariat for Research and Technology at the National Board of eHealth Governance in Greece. Since 2014 he has served as the elected General Secretary of HL7 Hellas. In 2018 he was also elected as the General Secretary of the Hellenic Health Informatics Association. The period 2020-2022 he served as a member of the Mental Health Committee at the Central Board of Health of the NHS. Since 2021, he is the appointed Administrator and Director (since 2022) of the Hellenic Digital Health Cluster. Since 2023, he leads work for the provision of services by the smartHEALTH European Digital Innovation Hub. Dimitrios has several publications in international journals, as well as presentations in scientific conferences and workshops worldwide. He also acts as a regular reviewer and a program committee member for a number of premier journals and conferences, such as IJMI, JBI, IEEE BHI, BIBE, CBMS, EMBC, MEDINFO, Springer Nature and many more.