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Management Team


Dr. Dimitrios Papantoniou – Chief Executive Officer (CEO)

Dr. Dimitrios A. Papantoniou is co-founder, President and CEO of Performance Technologies AE; he is responsible for the overall strategy and execution for the Company. He has over 18 years experience in the IT industry and 7 years in senior R&D positions; was co-founder and non-executive Vice President of Parallon Systems (EMEA) Ltd, an IT consulting and services firm. Previously he was co-founder and Executive Director of Athens Technology Center S.A., a consulting, research and development firm. He has conducted extensive research and developement activities, as a Research Associate at the ETH-Zurich, Switzerland, as a Senior MTS at Hellenic Arms Industries AE and as a researcher at Caltech. He holds a B.Sc. in Engineering and Applied Science, a M.Sc. in Mechanical Engineering and a Ph.D. in Engineering Science and Aeronautics, all from the California Institute of Technology, Pasadena, California, USA.


Andreas Tsangaris – Chief Technology Officer (CTO)

As the Performance Technologies Chief Technology Officer, Andreas Tsangaris sets the fundamentals and coordinates technical strategy of the Company. He oversees the architecture, design and implementation of complex IT solutions and leads the product and solution development activities of the Company. Mr Tsangaris has over 18 years of technical experience in the IT industry, all with the Company and its subsidiaries. He has studied Chemical Engineering at the National Technical University of Athens, Greece.

Dionisis Hintzidis – CEO & Sales Director

Dionisis Hintzidis leads the sales team of PERFORMANCE Technologies. He is responsible for the definition and implementation of sales strategies designed to capture and maintain strong market share in core solution areas; to ensure that cost effective, state-of-the-art offerings are well received by the marketplace and that strong client relationships are developed and maintained.  Dionisis has over 12 years of experience in the IT industry, serving commercial sales and business development positions at Performance Technologies and its subsidiaries. He holds a BA in Business Administration from University of Plymouth, UK and a Master in Telematics Management from the Danube University of Krems, Austria.


Andreas Kiagias – Financial Officer

Andreas Kiagias leads the team that is responsible for key financial functions of the company, managing risk and compliance and for overseeing the accounts and records of the Company and its subsidiaries.  Andreas Kiagias joined Performance Technologies in 1996 and has been a member of the Board of Directors of the Company since 1998. He holds a Diploma in Business Administration & Management from the University of Piraeus, Greece.


Costas Tsekouras –Professional Services & Technical Presales Manager

Costas Tsekouras is leading the professional services and Tecnnical Presales functions. He joined Performance Technologies in 2005 and has over 20 years of experience in the IT industry. As an experienced technical consultant he has provided technical project management and quality assurance for complex IT projects. Previously, he has held IT consulting services positions at Hewlett-Packard, Digital Equipment Corporation (DEC) and SyNET S.A. Kostas Tsekouras holds B.Sc. and M.Sc. degrees in Electrical Engineering from Northeastern University, Boston, MA, USA.

Dimitra Kontou - Marketing Manager

Dimitra Kontou joined Performance Technologies in 2006 and she is responsible for marketing & communications, media & investor relations, and for the design and execution of customer events. Previously, she has held marketing positions at Interaxon SA, Internet Hellas SA and Strategic International SA. Mrs Dimitra Kontou holds a degree from Athens University of Economics and Business (Executive Post Graduate Diploma on Sales Management) and a degree in Business Administration from Papastratio IEK; she has attended several professional courses on Customer Relationship Management, Business Planning, Public Relations, Marketing, Online Marketing and Advertising.


Dimitris Peppas - Technical Manager

Dimitris Peppas is responsible for managing the Technology Services delivery and Techical Support Delivery functions of the Company. He has the responsibility to manage the technical resources and projects and for ensuring the overall quality of technical services delivered by the Company. Mr. Peppas joined Performance Technologies in 2002 and has over 15 years of technical experience in the IT industry. Mr Dimitris Peppas has a degree in Electrical Engineering from the Technological Institute of Larisa, Greece.



Stavros Dimas - Non Executive Independent Director
Mr. Stavros P. Dimas is an Athens based attorney focusing his practice inlitigation and advice in areas of commercial and civil law. Since 1994 Mr.Dimas has served as a legal advisor and member of the BoD in several companies including RolcoVianil SA, Performance Technologies SA, Navicon SA and Astron Chemicals SA. Mr. Dimas is a Managing Partner at the law firm of I.Havre, M.Maroudi, S. Dimas and Partners and a Research Associate of the Athens BarAssociation.  Mr. Dimas has a law degree from Athens University, where he specialized in European Community Law, European Competition Law, Comparative Law and Comparative Private International Law and a Master of Laws degree from Kings College in London, England.

Ioannis Papadopoulos - Non-Executive Independent Director
Giannis Papadopoulos is a member of the BoD of Performance Technologies SA since 2005.  He is the CEO of Attica Ventures SA since its establishment in 2003 and he was fully responsible for the fund raising process of its first VC fund (Zaitech - 40 millioneuro) and for the management team selection. He has 10 years of experience in managing venture capital and investments.  Before Attica Ventures, he served as an analyst and investments manager and then as managing director of Finco S.A., a company specialized in managing venture capital and providing investment banking consultancy services. Prior to that, he worked in the UK with the insurance company Allied Dunbar (Swindon, UK), member of the Zurich group.He has served as an executive on the BoD and Investment Committee member of various institutions, asset management companies, publicly listed companies and venture backed enterprises including the Public Power Company of Greece, Hellenic Tourism Development Co., ISAP, Attica Wealth Management, MastihaShop, Doppler and Foodlink.He is the Secretary of the BoD of the Hellenic Venture Capital Association and an elected member of the BoD of the Technical Chamber of Greece since 2001.