Speakers/Ομιλητές

Stefanos Kollias

Stefanos Kollias, FIEEE, FHEA, has been Professor in the School of Electrical and Computer Engineering of the National Technical University of Athens, since 1997. He has been Professor of Machine Learning in the School of Computer Science of the University of Lincoln, UK, 2016-19. He has been Chairman of the Greek National Infrastructures for Research and Technology, since 2019, assisting the Hellenic Ministry of Digital Governance in the digital transformation of public administration. He has been member of the Executive Committee of the European Neural Network Society, of the Member States Expert Group on Digitization and Digital Preservation, of the European Commission Expert Group on Cultural Heritage (responsible for AI).

Panos Louridas

Panos Louridas is Director of Research and Development at GRNET, responsible for the development, deployment and maintenance of digital public services. He is also an Associate Professor in the Department of Management Science and Technology, Athens University of Economics and Business. His work focuses on Software Engineering and Algorithmic Applications. His books Real-World Algorithms and Algorithms, published by MIT Press have been translated in several languages.

Artemis Psarianou

Artemis Psarianou, BA, DipM, ACIM, MA, AC, is Head of Marketing and Communications Department at GRNET – The National Infrastructures for Research and Technology.  Artemis is a highly qualified professional expert on marketing, sales, strategy, business development, project management and career consulting, staff recruitment, training and people management in services and products, Business 2 Business and Business 2 Consumer markets.  Obtained professional expertise within the fields of Education, Research, IT, Telecoms, Engineering, Marine, Sport, Finance, Commercial, Retail, Oil, Industrial, Health and Service industries, having studied and worked in international markets: UK, Ireland, France, Cyprus and Greece with additional experience in managing teams from minimum 2 up to 300 professionals on a full time basis.  Completed a Business Studies Bachelor degree at Northumbria University, UK and obtained a Master’s Degree in Marketing from the same institution, the Professional Marketing PGDip from the Chartered Institute of Marketing (ACIM) and has acquired the accredited Professional Coaching Certificate (Association for Coaching (AC)) for areas of: Business, Executive, Career and Life Coaching.  Major companies/projects professional experience highlights: Northumbria University (UK), DEREE (GR ACG.edu), Athens2004 Olympic Games (GR- PM Events Venue Manager), HumanAsset.gr, DemstarGroup.com (CY), GRNET.gr (MarComms & participation in European and National research/IT/education projects), SingularLogic.eu (GR- included partner marketing IBM, Oracle, Microsoft, SAP etc), Basler.com (FR), A&P Appledore International (UK), Walt Disney Stores (UK).

Μichael Wittel

Michael Wittel is the Education and Research Lead Europe at AWS with 20+ years of IT experience and 10+ years of education and research focus. Starting in the classic OnPrem world, he experienced the way to hybrid and native cloud solutions on a national and international level. With a background in business administrations, he accompanied a wide variety of roles in marketing and sales in the IT channel and at internationally leading software and cloud providers.

Vasilios Kotitsas

Vasilios Kotitsas has a strong background in the adoption of cloud leading lighthouse projects across multiple EU institutions, is the public sector lead of GRCYMT, a founding member of AWS in Greece, and is working since day 1 with GRNET on the public cloud transformation journey of the organization this includes policy, Procurement and project delivery.

Nikiforos Botis

Nikiforos Botis is a Sr. Solutions Architect at AWS, looking after Public Sector organizations, including the ones in the Education segment, in Greece & Cyprus for nearly 2 years now. Prior to that he was part of AWS UK, also as a Solutions Architect, a role he assumed after finishing his MSc Computing Science at Imperial College London. He’s proud of having experienced and graduated from the Greek University (BSc at the Department of Management Science and Technology, AUEB) and actually his decision to move back to his country was largely influenced by his strong willingness to contribute to Greece’s digitalization journey, believing that the country has a growth trajectory that can get it to the heights it deserves. Outside work, he enjoys travelling, playing sports and he’s a big fan of Panathinaikos.

Roberta Poscitelli

Roberta Piscitelli is responsible for the EMEA Research business development at AWS Public Sector. Roberta has a background in the information technology and services industry with international institutions including the European Space Agency and the European Commission. She holds a Ph.D. in Computer Science on Optimization models for embedded systems design from University of Amsterdam and she completed an MBA at Rotterdam School of Management with focus on Strategy, business negotiations and marketing.

David de Groot

David de Groot is Account Director Public Sector at Rackspace. With almost 20 years of sales experience David is leading the sales efforts for Greece, Cyprus, Benelux, and the Nordics with a particular focus on AWS products and services under the OCRE Framework. As Rackspace being the partner for AWS under the OCRE (Open Clouds for Research Environments project) framework, David is helping all education and research members of the NREN’s to benefit from the OCRE framework that was designed by GEANT to accelerate cloud adoption in the European Research and Education community.

Pavlos Kaimakis

Pavlos Kaimakis is an Enterprise Solutions Architect at AWS looking after customers in GR/CY/MT. Pavlos has been with AWS since late 2021 and has another 4 years of experience working with the AWS cloud. Pavlos started his career in IT 17 years ago and he's worked with customers spread all over the globe and across different industries. He's had worked on a variety of roles, but spent the biggest amount of time in his career in the product and customer support sector - both from an engineering and a management perspective - engaged mainly in the architecture/streamlining of the IT infrastructure.

Antony Chapazis

Antony Chazapis is a postdoctoral researcher at the Computer Architecture and VLSI Systems Lab, Institute of Computer Science, Foundation of Research and Technology - Hellas (FORTH-ICS/CARV). He received his Ph.D. in 2009 in Computer Science from the National Technical University of Athens. His research interests include distributed, large-scale storage systems, software defined storage architectures, virtualization platforms for both compute and storage, high-performance computing (HPC), and highly-scalable software deployments that span the whole computing continuum, from the Cloud to the Edge. From 2011 to 2019, he was working in the industry, engineering solutions and leading software development teams that have created innovative storage products for the data center and the Cloud. Since 2019, he has been participating in European projects that aim to bridge the technologies used in Cloud and HPC, as well as designing the software stack for the next generation of European supercomputers (EuroHPC Joint Undertaking). Creator of and contributor to various open source projects.

Manolis Marazakis

Manolis Marazakis is a Principal Staff Research Scientist at the FORTH research center in Greece, with a research focus on architectures and efficient systems software for high-performance servers and storage systems. He has contributed to the design, implementation and performance evaluation of several HPC and storage system prototypes, with an emphasis on efficiency and resource management for efficient execution on native and virtualized computing system platforms. His current research interests include systems for combined HPC and data processing workloads, HPC system resilience, and distributed execution platforms for data-driven workflows. He is currently leading FORTH's system software development for the RISC-V accelerator in the European Processor Initiative, and in enhancements to resource management, efficient use of heterogeneous memory devices, and HPC system resilience in the DEEP-SEA project (part of the EuroHPC-01-2019 call). He holds a PhD in Computer Science (granted in 2000 for a thesis in the area of distributed systems), from the University of Crete, Greece. He is a Senior Member of the ACM (with activities related to the SIGOPS, SIGARCH, and SIGHPC special-interest groups), a Senior Member of the IEEE (with participation in the Computer Society), and a Member of the USENIX Technical Society. He is listed as co-inventor in two USPO patents on storage technology.