Our team

Gabriel Mavrellis

Gabriel Mavrellis

CEO & Founder

Thirty six years of experience in all processes of Geo-Informatics sector. He plans the strategy of the company and participates actively in its business development through new projects, markets, solutions, partnerships. He is Rural and Surveying Engineer with expertise in Business Administration. He dynamically supports the adoption of open standards, open source community actions and the idea of data and knowledge sharing.

Angelos Tzotsos

Angelos Tzotsos

Chief Technology Officer

Angelos Tzotsos holds a Diploma in Rural and Surveying Engineering from NTUA and a PhD from NTUA specializing in Remote Sensing. It has been active for decades in the field of geoinformatics, with a strong scientific and technological footprint at national and international level.

He is one of the most recognized personalities in the field of Free Software and Open Source Software for geospatial applications. He was President of the international organization Open Source Geospatial Foundation (OSGeo) and is a member of the Open Geospatial Consortium (OGC), actively contributing to the formation of international standards and good practices in geospatial technology.

His research and scientific work focuses on Remote Sensing, Object-Oriented Image Analysis, Machine Learning and Artificial Intelligence, with applications in critical areas of public administration, environment and digital governance.

He has served as a scientific and technical coordinator in projects of emblematic importance, such as the US National Open Data Catalog, the Greek Open Geospatial Data Catalog (geodata.gov.gr) as well as the Inspire National Portal at the Ministry of Environment and Energy. At the same time, he has supported as a technical advisor a number of public bodies, including the Municipality of Athens, the Ministry of Digital Governance and the Ministry of Environment and Energy.

Utilizing exclusively free software, it also supports the digital transformation of local government by implementing important projects in Municipalities of the country, confirming its decisive role in connecting technological innovation with the real needs of society.

Panagiotis Symeonidis

Panagiotis Symeonidis

Chief Scientific Officer & Presales Manager

He has significant expertise in environmental data management and in environmental (Geo)Informatics design and development, participating in projects concerning environmental data management, analysis and editing. He has Diploma in Physics, MSc in Environmental Physics and Ph.D in Environmental Database “Study in atmospheric pollution and its sources with the use of GIS”.

Maria Pahoula

Maria Pahoula

Chief Operating Officer (COO)

With 20 years of experience in managing and implementing projects in Geoinformatics and Remote Sensing, and strong expertise in satellite Remote Sensing data, she is responsible for overseeing daily operations and executing the company’s strategy. At the same time, she actively contributes to the development of high-quality innovative solutions at GET, as well as to the management of projects and research programs. She holds a degree in Geology (NKUA) and an MSc in Geoinformatics (NTUA).

Stavros - Periklis Lyras

Stavros - Periklis Lyras

Technical Lead

Brings extensive experience in the design and development of information systems, with expertise in database technologies (SQL & NoSQL) and modern programming languages. Has served as a Tech Lead, guiding development teams and contributing to the design of scalable architectures for complex software projects. Has delivered enterprise-grade applications, covering the full software development lifecycle — from requirements analysis to implementation and performance optimization.

Holds a degree in Informatics and Telecommunications from the National and Kapodistrian University of Athens (NKUA). With over 14 years of professional experience, consistently contributes to the successful delivery of demanding technology projects.

Simos Taskaris

Simos Taskaris

GIS Analyst

He has important experience in Geographic Information Systems and he participated in desktop and web GIS applications development projects. He is graduate Regional and Urban Planning Engineer (University of Thessaly), MSc in Transport Systems (Aristotle University of Thessaloniki) and MSc in Informatics (Hellenic Open University).

Katerina Bartsoka

Katerina Bartsoka

Geographic Information Systems Engineer

She is a Surveying Engineer (NTUA) with MSc in “Environment and Development” at the same university. Has significant experience in Cadastral studies and Environmental Permissions for projects in the energy sector.

Georgia Mavrokefalou

Georgia Mavrokefalou

Geographic Information Systems Engineer

She is graduate of Geography Department of Harokopeion University with MSc in Applied Geography with direction in Geo-Informatics. She has a PhD from the Physics department of the Aristotle University of Thessaloniki in collaboration with the Environmental Radioactivity Laboratory of the Institute of Nuclear & Radiological Services & Technology, Energy & Safety of NCSR Democritos. Her research is entitled “Study on the relation of radioactive pollution and satellite observations of marine parameters and comparative analysis on a Geographic Information System”.

Efstathios Lymperis

Efstathios Lymperis

Software Engineer

He graduated from the Geology department of Aristotle University of Thessaloniki, where he was involved with the application of modern computational methods in technical geology. Since then, he has been working as a geoinformatics engineer implementing spatial information tools and systems, as well as projects  on spatial analysis and cartography.

Elpida Gkouvra

Elpida Gkouvra

GIS and Mobile Mapping Engineer

She is a Rural, Surveying and Geoinformatics Engineer (NTUA), specializing in photogrammetry. Her diploma thesis involves the use of Deep Learning Models in Mobile Mapping applications, while she works as a GIS and Mobile Mapping Engineer in GET company.

Theodoros Gatsios

Theodoros Gatsios

GIS & Remote Sensing Engineer

He holds an MSc in Geophysics (NKUA) and a BSc in Geology (University of Patras). He has a significant research experience in satellite remote sensing, particularly in Multi- Temporal SAR interferometry (MTInSAR).

Dimitris Dimitrelis

Dimitris Dimitrelis

GIS Engineer

Graduate Forester – Environmentalist of the Department of Forestry and Natural Environment of the Aristotle University of Thessaloniki, with postgraduate degrees in Data Science and Machine Learning as well as in Environmental Design of Infrastructure Works from the Hellenic Open University.

With five years of experience in geoinformatics and remote sensing applications as well in computer programming using the python language. In addition, he has experience in machine learning related to autonomous vehicle driving using computer vision algorithms.

Achilleas Ntaralas

Achilleas Ntaralas

Full Stack Developer

Graduate of the Department of Computer Science and Engineering at the University of Thessaly. Specializing as a Full Stack Developer, he possesses a strong foundation in the entire software development lifecycle, from software design and architecture to backend and frontend implementation. Beyond web technologies, he has developed skills in Machine Learning and Neural Networks.

Thomas Papathymiopoulos

Thomas Papathymiopoulos

GIS Engineer

Graduate of the Department of Informatics and Telecommunications at the University of Athens (NKUA), with professional experience in software development. He has worked on computer vision applications and currently works at GET as a software engineer.

Kyriaki Lainaki

Kyriaki Lainaki

Accounting Administrative Assistant

With extensive experience in supporting the Accounting and Procurement departments and a background in Business Administration studies, she is responsible for the smooth daily operation of the company GET.

Simos Kamilieris

Simos Kamilieris

External Partner

He develops software and applications which cover technical requirements and needs of GET’s customers and partners, having technical expertise and education in Informatics and experience in Geo-Informatics. He is Informatics Graduate (Technological Institute of Lamia) with MSc in Computer Science (Hertfordshire University).

Andriana Aravani

Andriana Aravani

External Partner

Accountant with 10 years of experience responsible for the daily operation of GET specialization in Accounting and Τax issues.She is a graduate of  A.E.I. Piraeus TT in the Department of Accounting and Finance.

Our partners

 

SINERGISE

Sinergise offers a satellite image web services for seamless integration of open Earth Observation data (Sentinel-2, Landsat, etc.) in any web, desktop or mobile GIS application. Sinergise also provides open satellite imagery data fully accessible and useful for companies and individuals by hiding complexity of archiving and processing petabytes of data and dealing with multi-sensor and multi-temporal data

 

TRE ALTAMIRA

TRE ALTAMIRA is the world leader in displacement monitoring services using satellite radar data. With more than 20 years of experience, TRE ALTAMIRA, now a member of the CLS Group, provides displacement measurement services and mapping solutions from Synthetic Aperture Radar (SAR) data, which are used in various market sectors, including civil engineering, mining as well as oil and gas.