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About us


We are a team of experienced, qualified and highly trained professionals that have joined forces in order to create Digisec. We have backgrounds as senior managers in major IT and Security Systems companies, we have completed the most demanding projects in Greece and abroad. We all have degrees and postgraduate degrees in our fields and still educate ourselves, participating in seminars and training courses worldwide. We regularly monitor international exhibitions and get informed about all technological breakthroughs in security and IT.

We have the knowledge, training, expertise and appropriate collaborations with major hardware and software production companies, enabling us to design and implement appropriate and custom solutions for every need. We are experts in Artificial Intelligence and Machine Learning and we design applied solutions based on advanced Computer Vision algorithms.

Our philosophy at Digisec, is to combine our values, which are hard bonded with corporate ethics, consistency and transparency, together with innovation and advanced technologies.



Marina Astriti

CEO and co-founder

Marina is a highly experienced executive with more than 25 years of experience in managing companies and financial departments in various sectors.

Her versatile experience and managing skills are an asset to Digisec

George Diakomanolis

COO and co-founder

George has a BSc in Business Economics, an MBA from Westminster University and an MSc in Total Quality Management. He has worked as a GM and a Business Development executive for most of his career, managing companies and business units. He has thorough knowledge of the physical and homeland security markets, video and visitor analytics, as well as the international renewable energy markets.


Chris Diakomanolis

CΤO and co-founder

Chris has studied Computer Science and has an MBA. He has attended zillions of hands on seminars and is the brain behind quite a few innovative products. He is an expert in Machine Learning and Computer Vision. Before Digisec, Chris has managed Technical departments in some of the biggest technology companies in Greece.

Vassilis Sergianidis

SaleS director

Vasilis has a BSc in Business Administration and Management from the London Metropolitan University in the UK and an MBA from Huddersfield University. He is an experienced Sales Director with thorough knowledge of the ICT and Renewable Energy industries. Before he joined Digisec he was Head of Enterprise Accounts in SingularLogic, while he has worked in top managerial positions in many companies in the ICT industry

Leonidas Palilis

SENIOR Project Manager

Leonidas has a degree in Physics from University of Crete.
He has 20 years of experience in consulting, bid management, international standards and IT project management for public, private or European organizations in large scale and complex projects. His experience in strategic planning, project management and communication are valuable to our team


George Barsoum

head of electronics

George is an expert in Automation, Telecoms and Robotics. He has worked in top technology companies in Greece and has attended many training sessions and seminars all over Europe. He is a top class installations manager, having managed and completed some of the most demanding projects in Greece.

George Dimitriadis

Mechanical engineer

George is a Mechanical Engineer with a degree from Liverpool John Moores University
He is a skilled embedded systems designer and automation engineer and has thorough knowledge of SCADA systems development and integration

Christos Pelekis

IT specialist

Christos is a Computer and Software Engineer, expert in Software development and integration. He is giving solutions to every integration between our hardware and software 


Panagiota Tente

Accounting Department

Panagiota is in charge of the accounting department. She has worked as head of the accounting departments of major companies in Greece for more than 25 years, gaining valuable experience in all sorts of accounting tools. She has studied accounting and has attended many seminars.


Our vision is to completely satisfy our client’s expectations with consistency and professionalism, to participate actively in technological improvements related to our field of expertise, and invest in solid and long term relationships with our associates, suppliers and clients, by remaining loyal to our principals.