Dr. Charalampos Bratsas is the founder and chairman of the board of the Open Knowledge Foundation Greece. He is an Assistant Professor in the Department of Information and Electronic Engineering at the International Hellenic University and researcher at the Lab of Medical Physics and Digital Innovation at Aristotle University of Thessaloniki (AUTH). His primary research areas include Intelligent Software Systems, Open Data, the Semantic Web, Knowledge Graphs, Linked Open Data (coordinator of the Greek DBpedia), Data Science, Data Mining, and Big Data Applications with AI algorithms. He is also a scientific collaborator at the Complex Systems Laboratory at AUTH.

Dr. Bratsas holds a Bachelor's degree in Mathematics (1999), a Master's degree in Medical Informatics, and a Ph.D. in Knowledge Graphs in Medical Informatics (2008). He has been involved in numerous EU-funded research projects. With over 100 publications in scientific journals and conference proceedings, his work spans areas such as the Semantic Web, Big Data, Artificial Intelligence, and Data Analysis.

Lazaros Ioannidis was born and resides in Thessaloniki. He studied Computer Science at Aristotle University of Thessaloniki, where he also completed his postgraduate studies in Internet Science. His work primarily focuses on the development and design of software solutions.

He has participated in and coordinated various research projects in areas such as, e-commerce and tourism, knowledge management in health sciences, natural resource management, and the support and interoperability of public sector services. Additionally, he has taught software development to both students and professionals.

Lazaros has also been involved in research projects in collaboration with the Aristotle University of Thessaloniki, the International Hellenic University, and the Open Knowledge Foundation, Greece.

Notis Filippidis holds a Bachelor's degree in Computer Science from Aristotle University of Thessaloniki (AUTH) and a Master's degree in Internet Science from the School of Mathematics at AUTH. He has worked as a researcher on numerous EU-funded projects in fields such as, health, economy, and education, focusing on software development, data analysis, ontologies, and knowledge graphs.

His research interests include the Semantic Web, knowledge extraction, and sports data analysis. He is an active member of the Open Knowledge Foundation Greece, contributing to research projects and activities, while also participating in the development and analysis of semantic data.

Myrto Papageorgiou holds a B.Sc. in Mathematics and an M.Sc. in Web Science from the School of Mathematics at the Aristotle University of Thessaloniki (AUTh). She is currently a Ph.D candidate in the same Department at AUTh, and her thesis focuses on the field of Statistics and Business Research. Myrto is a Scientific Associate at the International Hellenic University and the Aristotle University of Thessaloniki (AUTh), as well as a Project Manager at Open Knowledge Foundation Greece.

For many years, Myrto has been a member of the Council of the Hellenic Mathematical Society – Central Macedonia Branch, as well as a key member of the organizing committee for the Mathematics Week held by the Branch every year. Myrto is now the executive secretary at the Branch while she is involved in data analysis processes and works as a mathematics instructor.

George-Christophoros Kazlaris has completed his studies at the Department of Information and Electronic Engineering at the International Hellenic University in Thessaloniki. His thesis focused on the development of Android educational applications for primary school students, utilizing augmented reality technology, and has led to significant scientific publications in the field. He works as a researcher and developer, with experience in various programming languages, including Java, C#, and Kotlin. He is actively involved in research projects in collaboration with the Open Knowledge Foundation Greece. In parallel, he is pursuing PhD studies, with a research focus on educational applications for collaborative learning through augmented reality, reflecting his dedication to advancing innovation in this academic domain.

Alexandros Angelidis received his B.Sc. degree from the Department of Mathematics of the Aristotle University of Thessaloniki, where he subsequently obtained his M.Sc. degree with specialization in “Theoretical Computer Science and Theory of Systems and Control”. His thesis focused on the analysis of chaotic time series through network theory and in particular through Visibility Graphs. Currently he is a PhD candidate at the International Hellenic University, and studies the analysis and prediction of complex, nonlinear systems using neural networks. He is also a research associate at the Department of Information and Electronic Engineering at the International Hellenic University. His research interests include Complex Network Theory, Chaos Theory, Time Series Prediction and Analysis, and Machine Learning.

Efstathios Konstantinos Anastasiadis graduated from the Aristotle University of Thessaloniki with a Bachelor's degree in Physics and holds a Master's from the interdisciplinary program 'Networks and Complexity'. In his Master's thesis, he applied Network Theory Techniques to Criminal Networks, investigating their modus operandi and vulnerability to both targeted and random attacks. A portion of his thesis was published in a peer-reviewed journal. His additional scientific interests include Machine Learning, Deep Learning, and Network Inference Tasks, using time series data.

Elisavet Parisi is a graduate of the Department of Architecture at Aristotle University of Thessaloniki (AUTh) and holds a Master's degree in Networks and Complexity from the same university. Her thesis focused on the application of the Semantic Web and Network Theory to define and quantify Urban Sustainability. She has worked as an architect on urban design studies of public spaces and buildings. Since May 2024, she has been a PhD candidate at AUTh with her dissertation being “Ontology of Urban Sustainability: An alternative approach to managing complexity and big data”. Additionally, she participates in research projects in collaboration with the Open Knowledge Foundation Greece. Her research interests include the Semantic Web, Network Theory, and the Management of Complex Systems and Big Data, with a focus on Urban Sustainability.

Eleni Chalikiopoulou graduated from the School of Journalism and Mass Communications at AUTh with a Bachelor's Degree in Journalism and holds a Master's degree in "Digital Media, Communication and Journalism" from the same university. Since March 2024, she has been a PhD candidate at AUTh with her thesis being “Participatory and Data Journalism: Current State and Future Prospects”. Eleni is currently working as Research Associate in EU research projects in collaboration with the Aristole University of Thessaloniki and the Open Knowledge Foundation Greece. Since the beginning of her PhD studies, she is participating in International Conferences, presenting a series of topics dedicated to data and participatory journalism, data transparency and privacy, while her research has been published in peer-reviewed journals. Her research interests focus on data journalism, current participatory environments, transmedia and multimedia storytelling, as well as on disinformation/misinformation and the use of Gen-AI in contemporary news media.

Odysseas Chondroudis is a graduate of the Department of Information and Electronic Engineering of the International Hellenic University. His thesis focused on "Design and Implementation of a Device for Recording Brain Activity based on Functional Near Infrared Spectroscopy (fNIRS)". His research involved the development of a portable fNIRS device that offers portability and flexibility for a variety of applications in neuroscience, clinical diagnosis, psychophysiological studies, education, and human-computer interaction.

Maria Nikolaidou has been an active member of the Open Knowledge Foundation Greece since 2012. She has contributed to event preparation and proposal development, managed communications with partner organizations, and since 2015 has undertaken the management of the European project OpenBudgets.eu.

Maria holds a Master's degree in Information Systems from the University of Sheffield and a Bachelor's degree from the School of Philosophy of Aristotle University of Thessaloniki (AUTH). She has worked in research institutes in Greece and for the European Commission, gaining extensive experience in programs related to information management, information systems, and medical education. Since 2006, she has been collaborating with the Medical School of AUTH, focusing on research and administrative/financial management, with an emphasis on Medical Education Programs of the Laboratory of Medical Physics.