Ioannis A. Daglis is Professor of Space Physics at the University of Athens. He is an expert in solar-terrestrial coupling processes, plasma acceleration and space weather; his work is mainly focused on the dynamics of energetic particles and magnetic storms in geospace. He is author or co-author of 100+ refereed scientific papers, with 3100 citations and h-index=31 in the Web of Science (5400 citations and h-index=38 in Google Scholar). He has edited and co-authored 5 textbooks, one of which ("Space Storms and Space Weather Hazards", Springer, 2001) was "recommended teaching material" for Space Sciences by the UN's Office for Outer Space. The most recent book, “Waves, particles and storms in geospace”, co-edited with G. Balasis and I.R. Mann, was published by Oxford University Press in 2016. Prof. Daglis has been a Co-Investigator on three NASA missions (SAC-B, Polar, THEMIS) and two ESA missions (BepiColombo, Proba3); Scientific Representative for the SREM instrument on ESA's Rosetta mission; Full Member of the International Academy of Astronautics (IAA) since 2011; Editor-in-Chief of Annales Geophysicae since 2013; Scientific Discipline Representative to SCOSTEP since 2014; Chair of the Next Scientific Program (NSP) Committee of SCOSTEP (2017-2019); Chair of the South-Eastern Europe Europlanet Society Hub since 2019. He leads the Horizon2020 project SafeSpace, which aims at advancing space weather nowcasting and forecasting capabilities through the development of a sophisticated model of the Van Allen electron belt and of a prototype space weather forecast service with a target lead time of 2 to 4 days. He also leads the ESA project G4G, which will deliver key capabilities needed in support of the development and operation of ESA science missions, based on the Geant4 simulation toolkit. He received the NASA Group Achievement Award for his contribution to the Global Geospace Science program and the ESA Individual Achievement Award for his contribution to the Cluster mission.

Dr. Sergis is a researcher in Space Physics. Between 2006 and 2020 he worked at the Office of Space Research and Technology at the Academy of Athens in collaboration with JHU/APL. Since 2017 he is also an Adjunct Researcher at the National Observatory of Athens. His published work includes 80 peer-reviewed papers in scientific journals or book chapters, with over 2500 citations (h=30) and several invited seminars in Greece, Europe and the USA. In 2009 and 2018 he received NASA awards for his contribution in the Cassini mission to Saturn and in 2008 he was elected by the Editorial Board of Annales Geophysicae as best reviewer in the field of Magnetospheric Physics. He has experience in the management of research programs and he serves as evaluator for proposals submitted for funding to NASA, the EC and national funding agencies in Europe. He leads or participates to research groups in Space Science and Applications in collaboration with institutes from Europe and the USA. Dr. Sergis has supervised or co-supervised PhD, MSc and undergraduate theses in Greece and abroad. He is a member of the American Geophysical Union (AGU), the European Geosciences Union (EGU) and the International Astronomical Union (IAU).

George Nounesis is the Director & Chairman of the Board of the National Centre for Scientific Research “Demokritos” since 2017. Dr. Nounesis obtained his PhD at the School of Physics and Astronomy of the University of Minnesota and completed a three-year Postdoctoral training at the Chemistry Department of the Massachusetts Institute of Technology and the Executive Education Program on “Innovation for Economic Development” at the Harvard Kennedy School of Government. He has held Research Staff appointments at the Center for Materials Science and Engineering at MIT and at the Francis Bitter National Magnet Laboratory. He has spent sabbatical leaves at the Centre de Recherche Paul Pascal at CNRS and the Chemistry Department of the University of Bordeaux I as an Invited Professor. His research focuses on structural and thermodynamic studies of nano-structured soft materials as well as biomolecules, primarily proteins. He has received awards and distinctions from the American Society for Reproductive Medicine, the United States Department of the Navy and the Graduate School of the University of Minnesota.

Kostantinos Karantzalos is an Associate Professor of Remote Sensing\nat the National Technical University of Athens. His teaching and research interests include\ngeoscience and earth observation, geospatial big data, hyperspectral image analysis, computer\nvision and machine learning with applications e.g. in environmental monitoring and precision\nagriculture. He has several publications in top-rank international journals & conferences and a\nnumber of awards and honors for his research contributions. He has more than 17 years of\nresearch experience, involved with more than 19 EU and national excellence/ competitive\nresearch projects. Dr. Karantzalos, IEEE Senior Member, serves as Scientific/ Program\nCommittee and reviewer for top rank international journals/conferences and as an Evaluator/\nPanel Member for the evaluation of EU and national research programmes (H2020, Deutsche\nForschungsgemeinschaft, Israel Science Foundation, Belgian Science Policy Office, Netherlands\nOrganisation for Scientific Research, etc). Dr. Karantzalos currently Co-chairing the ISPRS\nWorking Group WG III/4 on Hyperspectral Image Processing.

Professor Sotiriadis is the Director of the Electronics Laboratory of the ECE-NTUA leading a team of 25. He received the Diploma in ECE from NTUA (with the highest GPA of 9.91/10), the MSEE from Stanford University and the Ph.D. in EECS from M.I.T. in 2002, both with full scholarships from the Universities. In 2002, he joined the Johns Hopkins University as an Assistant Professor of ECE and collaborated with the Space Department of the Applied Physics Laboratory, Laurel, MD, USA. Then he was involved in two USA based startup technology companies as the CTO. In 2012, he joined the faculty of the ECE of the NTUA. His research interests are in the area of circuits and systems, ranging from analog, mixed-signal and RF ASIC design to circuit-system level mathematical modeling, optimization and algorithms, with tele-communication, bio-medical, instrumentation, industrial and commercial applications. He has led several projects and has collaborated with major technology companies and national research labs. He has authored and co-authored 150 technical papers, most in IEEE journals and conferences, holds one patent, has contributed chapters to technical books and has given many invited talks in companies, research Labs and top Universities in USA and Europe. He has received many awards and distinctions, including the prestigious Guillemin-Cauer Award from the IEEE Circuits and Systems Society and several best paper awards in conferences. As a student, he was awarded scholarships from the Alexander Onassis, Bodossakis, Evgenides, Gerondelis and SSF-Greece Foundations. Professor Sotiriadis is an Associate Editor of the IEEE Sensors Journal, was an Associate Editor of the IEEE TCAS-I and TCAS-II journals for several years and has been a member of technical committees of many conferences. He is an active member of several technical committees and international organizations, including the MIT Enterprise Forum supporting Greek high-tech startup entrepreneurship.

Costas Synolakis is a Professor of Civil Engineering at the University of Southern California. He studies the impact of natural hazards, and particularly tsunamis, extreme flooding events and climate change on beaches. He has led or participated in about 30 scientific expeditions in twenty one countries, practically in all of the world's oceans and seas. His work in Papua New Guinea, Vanuatu, the Aleutian islands, the Marquesas, Sri Lanka, the Maldives, Kenya and Oman was groundbreaking and highly cited. Professor Synolakis grew up in Athens, then attended the California Institute of Technology, where he did all his professional degrees. In 1996, Costas Synolakis founded the USC Tsunami Research Center. He and his group produced all official hazard maps for tsunamis for the State of California. In the aftermath of the Boxing Day tsunami, Professor Synolakis was appointed in the only Chair in Greek universities at the time, on natural hazard mitigation. The Laboratory which he founded at TUC studies extreme events such as earthquakes, tsunamis, fires and the impact of waves on beaches, particularly erosion, as well as wildfire evolution. In 2020, he resigned from TUC, to pursue his research interests in the Academy of Athens Professor Synolakis has received both major awards of the American Society of Civil Engineers, the 2015 Moffat and Nichol Coastal Engineering Award and the 2019 International Coastal Engineering Award. In 2014, he received the Sergey Soloviev Medal of the European Geophysical Union. Professor Synolakis now holds the Chair of Earth Sciences in the Academy of Athens, and since 2019, he is the Secretary of the Division of Natural Sciences of the Academy. He is also a member of the Academia Europae and is the Chair of the National Committee on Climate Change of Greece.

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Graduate from the School of Electrical and Computer Engineering from the National Technical University of Athens (NTUA) and holder of an M.Sc. in Geoinformatics from the interdisciplinary and interdepartmental Master's Program of NTUA. He has several years of experience in the private and research sector in applications related to Big Data Analytics, Earth Observation, and Geoinformatics as well as in the design and development of Cloud based services, distributed databases, and WebGIS systems with very high requirements in uptime and availability. He has actively worked in the data management domain with tight security specifications in both the private sector and in projects funded by the European Union and has coordinated small and medium-sized technical teams of software and data engineers.

Graduate from the School of Rural, Surveying and Geoinformatics Engineering from the National Technical University of Athens (NTUA) and holder of an M.Sc. in Geoinformatics from the interdisciplinary and interdepartmental Master's Program of NTUA. He has several years of experience in the private and research sector in applications related to Earth Observation, Geoinformatics, Data mining/machine learning, Imagery Intelligence (IMINT), Geospatial Intelligence (GEOINT) and management of large-scale mapping projects for Defense, Security and Emergency applications. He has actively worked and managed more than 25 projects funded by the European Union (ESA, EC, COPERNICUS, EDA, FRONTEX, SATCEN), coordinated medium-sized technical teams (30 people), contributed to the definition of strategic business roadmaps in various private companies and has participated to the technical validation of 6 Earth Observation satellite missions.

Electrical and Computer Engineer graduate from the University of Patras and holder of M. Sc. In Wireless Communications from the University of Southampton. He has worked for Airbus Defence & Space, UK (Portsmouth) and France (Toulouse) in RF/Telecom Engineering, Antenna Design, MW Instruments & Radars and Assembly Integration & Testing. Furthermore, he has worked as an AIT Engineer in ESA, ESTEC, NL for the Galileo GNSS satellites. He has participated in the following satellites missions and programs: MetOp-SG, Sentinel-1 C&D, OneWeb, Radar for Zephyr, WIVERN, EutelSat Quantum, Inmarsat 6 and in varied research activities including H2020 programs. He has coordinated small and medium-sized teams of engineers and technicians.

Diploma in Electrical and Computer Engineering from the National Technical University of Athens and MSc in Space Systems Engineering from the University of Surrey. Long experience in the space sector, having worked for a decade for Airbus Defence & Space in France (Toulouse) and in UK (Stevenage), as a flight software engineer, validation responsible, GNC study Lead and software systems architect. Has participated in EO missions (Airbus AS250-based platforms), scientific and planetary exploration missions such as ExoMars Rover Vehicle, Sample Fetch Rover και Lagrange L5. Has acted as the central software validation responsible for the Solar Orbiter mission satellite, leading a multinational team of at least 15 engineers to the final software qualification and acceptance for flight by ESA. Has worked in various space technology R&D projects in the private sector in Greece and in ESA – ESTEC TEC-SWE department in the Netherlands.

Graduate from the Department of Electrical and Computer Engineering of the Aristotle University of Thessaloniki (AUTH) and holder of a M.Sc. in Aeronautical and Space Systems from ISAE-SUPAERO Graduate School of Aerospace Engineering (Toulouse, France). He has worked in the French Space Agency (CNES) and in the Observatoire Midi-Pyrénées in France (Toulouse), in the fields of Global Navigation Satellite Systems (GNSS) and Satellite Remote Sensing respectively. Moreover, he has worked as a GNSS Engineer in the startup venture Spaceweal in Thessaloniki, in collaboration with the Cluster for Space Technologies and Applications si-Cluster (Corallia). At the same time, he has participated in STEAM educational programs as robotics instructors, in cooperation with educational institutions and Centers of Creative Activities for Children in Thessaloniki.

Dr. Papachristos holds a BEng in Aerospace Systems Engineering from the University of Southampton in the UK, an MSc in Satellite Communications Engineering from the University of Surrey in the UK, an MBA in Finance from Cardiff Business School in the UK and a PhD in Electrical Engineering (Microwave Communications) from the National Technical University of Athens. Dr. Papachristos has extensive corporate experience in Greece and the UAE in senior management positions in the Satellite Communications and Space sectors. Dr. Papachristos is the author of 13 publications in journals and conferences.

Dr. Anezina Solomonidou is a planetary scientist specializing in planetary geology and investigating the potentially habitable worlds of our solar system. She has obtained her doctoral title on astronomy and astrophysics from the Paris Observatory in France. She has worked for many years at NASA's Jet Propulsion Laboratory (JPL) and Caltech in Los Angeles, California, on the Cassini-Huygens and the Europa Clipper missions, as well as the European Space Agency (ESA) in Madrid for the preparation of ESA’s new space mission, JUICE. She has authored a plethora of articles in peer-reviewed scientific journals and chapters in books and more than 10 White Papers to NASA and ESA. Dr. Solomonidou has proposed a series of planetary experiments and has contributed to the design of future missions. She is the President of the Division for Planetary Sciences (PS) for the European Geosciences Union (EGU) and serves as a review panelist for international boards and NASA panels, where she evaluates scientific proposals for planetary research.

Graduate from the School of Electrical and Computer Engineering from the National Technical University of Athens (NTUA) and holder of an M.Sc. in Space Science from the International Space University, Strasbourg. He has several years of experience in the private and research sector in applications related to Space Systems, Semantic Web, Databases, Storage Systems, Distributed Systems, Operating Systems and Software Development. He also loves aviation and holds a PPL license.

Dimitrios Christopoulos received the electrical and computer engineering diploma from the National Technical University of Athens (NTUA), Athens, Greece, in 2010 and the Ph.D. diploma from the Interdisciplinary Center for Security and Trust, (SnT), University of Luxembourg, in 2014. Early 2016, he joined the Technical Labs of Newtec, in Belgium, later rebranded as STEngineering, iDirect. Throughout his career, Dr. Christopoulos has managed numerous ESA, European Commission and Nationally funded R&D programs for the design, development and productization of ground segment components for next generation satellite communications systems. He is co-inventor of 4 patents on signal processing for satcoms, author of more than 30 scientific articles and has served as an industrial standardization delegate in ETSI and 3GPP.