Our Team

Key Personnel
ff Vasiliki (Betty) Charalampopoulou (F), [VCh] is a geologist, with a specialization on remote sensing, photogrammetry and GIS applications. In 1992, she graduated from the National and Kapodistrian University of Athens and since then, she has been working on research projects in the area of photogrammetry, Earth observation and geoinformatics. Since 2011, she is the CEO of Geosystems Hellas S.A., providing consulting, solutions and services on GIS and WebGIS, photogrammetry and Earth observation applications. As CEO and President she has established methodologies and formulated strategies, gaining many distributions and collaborations. She has also I established several international collaborations with EARSC, ESA, CNR, ESA, NASA, ISA, UNESCO, FIG, OGC, etc. and several international universities, local governments and industries, under the framework of collaborative H2020 and Interreg calls participation. In 2012, she established the company’s R & D division and had Successful R & D projects under her supervision, with transferability to many industries and countries. She is also responsible for the distribution of roles and responsibilities in the company.
ss Christos Kontopoulos (M), [CKo] received his diploma from National and Technical University of Athens (NTUA) – school of Rural & Surveying Engineering. His main research interests and areas of specialization lie in the fields of Εarth Observation and remote sensing, GIS, photogrammetry and geospatial data analysis. He has been enrolled in several research projects and research teams, in the aforementioned domains while also presenting a great experience on photogrammetric, LIDAR data analyzing, cadastre and satellite data exploitation projects. His main expertise also include the development of Machine Learning and Deep Learning models for EO data classification and pattern recognition techniques. He has also been involved in several other commercial projects., as a remote sensing and photogrammetry specialist, dealing with the processing and the analysis of multispectral and hyperspectral optical data, UAV data as well as LIDAR and SAR data. He is responsible for HXG Geospatial solutions: ERDAS and add on, APOLLO and MAP-X. He is the project Manager for METEORA and BLENDED : Synergetic use of Blockchain and Deep Learning for Space Data projects.
dd Yannis Paraskevopoulos (M), [YPa] is a Surveyor Engineer with a diploma from the National Technical University of Athens (NTUA), Greece and a MSc student in “Urban & Regional Planning” in NTUA. Since September 2018 is also a PhD candidate in the Geography and Spatial Analysis Lab of NTUA and his research is focused on analytical tools for evidence-based urban planning with emphasis on how urban morphology, street centrality (space syntax analysis) and functional mix (land-use distribution) can be integrated into a decision support system towards human-centred urban planning. He has significant working experience as a GIS Specialist and has participated in research projects and studies relevant to urban planning and sustainable urban mobility and since his graduation, he has published numerous peer-reviewed papers in scientific conferences in Greece and abroad. His research interests include advanced spatial analysis, spatial statistics, space syntax analysis, urban morphology, accessibility, sustainable urban mobility and evidence-based urban planning. He is responsible for HXG Geospatial solutions: Geomedia and Geomedia WebMAP and ERDAS Photogrammetry and SSK photogrammetrical solutions. Also has great expertise in WebGIS open source solutions implementation.
www Sofia Fidani (F), [SFi] is an agronomist with specialization in food technology. She graduated from Democritus University of Thrace in 2012 and also holds an MSc in Sustainable Management of the Environment and Natural Resources (Direction: Sustainable Management of Mountainous Watersheds with Intelligent Information Systems and GIS) from the same university. Her field of expertise and main interests lie in geoinformatic applications. Since 2014 she has been working at Geosystems Hellas as a marketing/client manager and technical support operator in geoinformatics. She is the project Manager for the MOU project : Remote Sensing Monitoring Techniques for the evaluation of the utilization of Olive Oil unused (useless) products for soil improvement vs climate change.
dd Katerina Fotiou (F), [CFo] has graduated from the School of Rural and Surveying Engineering of National and Technical University of Athens (NTIUA). She is also enrolled in the Msc program Geoinformatics, also in NTUA. Her main interests are generally related to the science of Photogrammetry and especially the construction and use of Digital Terrain Models for the extraction of environmental data and also 3d reconstruction of objects. She has also found herself involved with spatial data analysis using tools of GIS. She has been working in Geosystems Hellas since 2019. She is responsible for PLANET and SkyWatch imagery solutions. She is the project Manager for ARTEMIS.
jm Ioannis Maroufidis (M), [IMa] has graduated from the School of Electrical and Computer Engineering from NTUA and he is enrolled in the NTUA – UNIPI Msc program “Engineering – Economic Systems”. His professional interests are mainly focused on computer vision and machine learning. He has prepared his diploma thesis concerning the detection and segmentation of aerosol layers in atmospheric lidar measurements. He has been working in Geosystems Hellas since 2020.
mb Maria Bellou (F), [MBe] has graduated from the school of Rural and Surveying Engineering of National Technical University of Athens (NTUA), Greece, since 2017, and also holds a MSc in “Geoinformatics”, from NTUA, since 2020. Her main interests and areas of specialization are about geographic information systems, spatial analysis, mapping and remote sensing. She has been working in Geosystems Hellas since 2020.
kostas Konstantinos Fokeas (M), [KFo] graduated in 2017 from the Department of Rural and Surveying Engineering, of the National Technical University of Athens. He is currently completing the master’s program in Data Science from NCSR “Demokritos”. His main interests and areas of expertise are in the fields of remote sensing, big data management, machine learning and open-source software development. He has participated in research projects and research teams, in the fields of remote sensing and geographic information systems and has experience in developing and implementing machine learning models. He has been working at Geosystems Hellas since 2021


dsf Alexandros Paraskeuas (M), [APa] is a Geographer with specialization in geoinformatics and remote sensing applications. He is currently studying in Harokopio University of Athens (HUA) since 2015. His main interest is geoinformatics and area mapping. In 2019 he conducted his internship in GEOSYSTEMS HELLAS as technical staff and participated in the project for the creation of an online database of aerial photography for the national land registry. He has expertise in SAR imagery selection and process. He is the project Manager for SAR processes in project STABLE.
georgia Georgia Stergiou (F), [GSt] is a Mathematician with a diploma from National and Kapodistrian University of Athens (NKUA), Greece, since 2017, and also holds a MSc in Information Technologies in Medicine and Biology, from NKUA-UNIWA, since 2019. Her main areas of focus are data processing, image analysis, pattern recognition and machine learning. She has prepared her master thesis on molecular modeling. Since 2021, she has been working for Geosystems Hellas.
vasilis Vassilios – Dimitrios Varelas (M), [VDVa], is a Telecommunications Engineer, holding a Master’s degree in Electronics & Telecommunications and a Bachelor in Physics,  from the Departments of Physics and Informatics & Telecommunications of the National Kapodistrian University of Athens. He is certified in the installation, configuration, and operation of IP networks (Cisco Certified Network Associate – CCNA). He has previous experience in IT Services and education of Informatics and Telecommunications. His experience also involves digitizing and locating aerial photo archive, archiving, cataloging, and highlighting Big Data using free QGIS and Geoserver software. He has been working at Geosystems Hellas since 2020 with responsibility for the work of Digitization of the Historical Archive of Aerial Photographs of the National Land Registry, Ministry of Digital Government.
ik Elias Georgiou (M), [EGe]  holds a degree in Rural and Surveying Engineering and a MSc in Photogrammetry and Remote Sensing, University College London. His working experience started early on during his undergraduate studies, through his work on topography, photogrammetry and remote sensing at Geomet Ltd. During his military service (1997-1998), he worked as surveying and monitoring engineer at 80th Militia Battalion-Artillery Regiment and Head of the Topography Department at 80th Militia Battalion/4th GS/5. He also worked in geoinformatics companies such as Infotop S.A. (1999) and Z/I Imaging Ltd. (1999-2004) and since 2004 he has been self-employed. His main professional expertise lies in the design, organisation, implementation and management of geoinformatic projects. In particular, he has participated in a wide range of projects on picture editing, photogrammetry, ground/aviation sensors (LIDAR), remote sensing, spatial and non-spatial databases, GIS, geodesy, topography, sounding, management and processing of big geodata, and the preparation & evaluation of quality plans. Since 2010 he has been partnering with Geosystems Hellas as a mechanic in the field of geoinformatics, photogrammetry and remoting sensing. He has participated in the European research project 5DMUPLIS as well as in many commercial projects.