Co-founder of EEPEK, Manager of the European Projects Group.Organization of training seminars, conferences and workshops for teachers in K-12 and adult education.Participation in Erasmus+ KA1 and KA2 actions. Looking for new partnerships in ERASMUS+ KA2, focusing on innovative ideas and approaches in Education.

Teaching Informatics in Greek High Schools (Gymnasium and Lyceum). Specialization in Computer Networks and Programming courses in VET schools and high schools.

Technical manager in the Center for Informatics and New Technologies (CINET - ΚΕΠΛΗΝΕΤ - Κέντρο Πληροφορικής και Νέων Τεχνολογιών) for the Prefecture of Larisa. Technical Support, Educational Services and Mentoring for utilising New Technologies in Education.

A network management framework for wireless computer networks.

- Design, configuration and operation of the company's telecommunication services network.- Responsible for the Interconnection with the incumbent network operator (OTE) and Technical Manager of an integrated Voice/Data Network Infrastucture providing VoIP and differentiated services (first greek VoIP network based on the Cisco ThunderVoice solution). - Manager of a group of 15 persons responsible for network operation, administration & management and customer technical support.

1. Research associate in EU-funded projects in the ACTS and ICT research areas of the fourth and fifth Framework Programmes, respectively. Main responsibilities include:- Work Package Leader in ACTS project "AC335 Flowthru", coordinator for project's system architecture analysis and design.- System implementation and integration in ACTS project "AC208 REFORM".- Participation in annual project audits in Brussels.- Organization of project meetings and integration events.- Participation in many project meetings, system integration sessions and dissemination events.- Contribution to project deliverables and scientific publications,2. Systems and Network Management Consultant and Specialist:- Configuration and parameterization of network management platforms (HP OpenView, IBM Netview, CiscoWorks) in large customer networks (e.g. IONIAN Bank, EuroBank, Aluminium of Greece)- Organization and implementation of seminars regarding the use and configuration of network management platforms such as HP OpenView and CiscoWorks. Target audiences: NOC members and Technical support groups.- Certified SUN System and Network Administrator.- Certified FORE Systems' ATM Network Administrator.

Member of the Systems and Networks Group of ICS-FORTH.- Participation in the operation and administration of the first Internet node in Greece.- Specialization in E-mail administration (sendmail) and OSI services.- Manager of the first X.500/LDAP Directory Service in Greece.Participation in the RACE II project R2059 ICM.