• Consumer Research on the provision of electronic communications in Greece (ΕΕΤΤ - METRON ANALYSIS)

• Participation in the implementation of the Commercial Plan ΟΤΕ- ΟΑ2004 (TEMAGON SA)

• Study for the commercial perspective of smart card infrastructure and services development by the telecom industry in southeastern Europe (ΙΝΑ)

• Business Positioning (GLOBAL ONE SA)

• Development of a sales network for corporate customers (ΟΤΕ)

• Salesmen Training for OTE sales Network

• Supply and installation of an Automatic Voice Response System CTI (ΟΤΕ Regional Volos Office)

• Study for the development of Internet Roaming service (OTENET S.A.)

• Study for Calling card, (Telecommunications provider)

• Study for application of Internet Roaming services (ΟΤΕΝΕΤ S.A.)

• Technical and commercial support of the Message Handling (EDI and X.500) and electronic listing Management system. Promotion of products and services of electronic information. (OTE-Department of commercial development)

• Development of a unified messaging system (INTRACOM)

• UP-TV Uniquitous Personalised Interactive Multimedia TV Systems and Services (INTRACOM)

• Coras - A Platform for Risk Analysis of Security Critical Systems (INTRACOM)

• AMON, Preparation of initial Business plan. (OTE Consulting)

• AMON DEC/GSM Network Planning (INTRACOM)

• Third Trusted Party (EBEA-INTRACOM)

• Hypermedia news on demand, ΕU/ (INTRACOM)

• Study for GSM data services, (software engineer)

• Preliminary Business Plan for mobile telephony DECT (ΑΜΟΝ Consortium)

• OMI portable fleet terminal, EU/( SSA S.A)

• Development of a collaborative environment of communication and supporting services for people with special needs. (INTRASOFT SA-ΓΓΕΤ)