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Team of Experts

  • Spyros Boutsis

    VP of Software Services / Software Architect

    Spyros Boutsis

    VP of Software Services / Software Architect


    Spyros Boutsis is a Senior Software Engineer, graduate of the Department of Informatics and Telecommunications of the National and Kapodistrian University of Athens with degree on Information Systems. He holds an MSc degree on Advanced Information Systems from the Department of Informatics and Telecommunications of the National and Kapodistrian University of Athens. Since 2006, he has been engaged, as a software engineer in the University of Athens, designing and implementing modules of a large scale distributed system for managing digital libraries, in the context of the “DILIGENT”, “D4Science” and “D4Science II” research projects. He is the Vice President of Sorfware Services of CITE, as well as responsible for designing and implementing service modules and user interface elements of web applications running on the cloud. He is experienced in Java, .Net and PHP ecosystems as well as JS/HTML5/CSS3 frameworks. His experience covers designing and developing IT systems based on the service oriented architecture (SOA) paradigm, as well as building web applications utilizing modern web technologies and frameworks.
  • Efstratios Giannopoulos

    Principal Software Engineer

    Efstratios Giannopoulos

    Principal Software Engineer


    Efstratios Giannopoulos is a graduate of the department of Computer Science and Technology of University of the Peloponnese and holds a Master’s degree on “Advanced Telecommunication Systems and Networks” from the department of Telecommunications Science and Technology of the same institute. His professional software engineering carrier started in 2012, working as a freelancer developing applications for the University of Athens and specifically in the project of Plato Academy, focusing on geospatial data management applications and location-based services. Since 2013 he is employed by CITE as a software engineer, working mainly on .Net ecosystem, on the development of cloud-based web applications. He has good knowledge of object oriented languages (c #, java, C++), relational databases (MSSQL, MySQL, PostgreSQL), web application frameworks (jsp, asp .net mvc), and web technologies (JS/CSS3/HTML, jQuery, bootstrap), as well as internet and security protocols (e.g. SAML, OAuth etc).
  • Panagiota Koltsida

    Senior Software Engineer / Researcher

    Panagiota Koltsida

    Senior Software Engineer / Researcher


    Panagiota Koltsida is a senior software engineer / researcher, graduated from the Department of Informatics and Telecommunications of National and Kapodistrian University of Athens and she has also received a M.Sc. on Advanced Information Systems from the same department. She has been working for more than 10 years in several research projects on behalf of National and Kapodistrian University of Athens, the Athena Research and Innovation Center and CITE: Diligent, D4Science, iMarine, EarthServer, Blue Bridge, RDA Europe and CAPSELLA. She is experienced in managing all stages of large scaled distributed software implementation, starting from requirement’s analysis, up to design, builds, deployment and testing. She has been the technical manager of the ATHENA research team in the EarthServer and Blue Bridge projects and is currently the technical manager of the CAPSELLA project. Her research interests include Information Retrieval systems, Data and Metadata Management and Web Information Systems and her technological expertise includes Java, XML and web related technologies.
  • Lefkothea Katsina

    Senior Software Engineer

    Lefkothea Katsina

    Senior Software Engineer


    Katsina Lefkothea has graduated from Informatics and Telecommunications Department of National and Kapodistrian University of Athens. Recently she started her collaboration with CITE, working as a Software Developer. She is fluent in C,C++,Python and Android environments as well as on internet technologies and PHP/JS/HTML5/CSS3 frameworks.
  • Panagiota Papagianni

    Senior Software Engineer

    Panagiota Papagianni

    Senior Software Engineer


    Graduate of the department Of Computer Engineering And Informatics of the University of Patras and holder of a master’s degree on “Computer And Science Technology” in “Applications And Foundations Of Computer Science” in the same department. Has worked for three years as a computer engineer at “Knowledge” company located in Patra. There she developed web applications and participated in research programs which use Machine Learning Approaches. She has knowledge of programming languages (Groovy, Python, Java, Php, Javascript), databases (Oracle, MySQL, MongoDB), web technologies (html, css, bootstrap), ElasticSearch Engine and NodeJs tool.
  • Nina Loxou

    Administration and finance supervisor

    Nina Loxou

    Administration and finance supervisor


    Nina Loxou worked briefly in the Hotel Industry and later in a commercial company as a Marketing Executive. The next three years she worked for a Consulting Company as an accounting assistant and was also responsible for the implementation of the company’s NSRF program. She joined CITE in May 2015 as an accounting assistant. She is a member of the Economic Chamber of Greece since 2011 as an accountant and an economist. She graduated from the Department of Business Administration of Patras University and has a Master’s Degree in Service Management from Athens University of Economics And Business.
  • Nikos Sakellariou

    DevOps Engineer

    Nikos Sakellariou

    DevOps Engineer


    Nikos Sakellariou was born in 1987 in Sparta. He studied Computer Science at the Technological Educational Institute of Athens where he graduated in 2012 as a Computer Engineer. Worked for the Public Real Estate Company (ΕΤΑΔ Α.Ε) as a Systems Administrator / Software Developer. He participated with Harokopio University in the program "KALLIPOS" with the aim of creating an e-book. He has also collaborated with the Hellenic Centre for Marine Research (ΕΛ.ΚΕ.Θ.Ε.) to develop the web site "meteo.hcmr.gr" that depicts a weather forecasting model. Finally, since 2020 he has been working at CITE as a Systems Administrator.
  • Athanasios Sioppidis

    Software Engineer

    Athanasios Sioppidis

    Software Engineer


    Athanasios Sioppidis holds a Bachelor’s and Integrated Master’s degree in Electrical and Computer Engineering from the Aristotle University Of Thessaloniki (AUTH). As a software engineer, he designs and develops web applications and services mainly using the .NET Ecosystem. He also has experience in Node.js based frameworks (Express, React, Angular, Next), web technologies (HTML, CSS, JavaScript, Bootstrap) and mobile development (Flutter, Kotlin, Unity).
  • Kristian Ntavidi

    Lead Frontend Software Engineer

    Kristian Ntavidi

    Lead Frontend Software Engineer


    Kristian Ntavidi is a graduate of the Computer Science Department of the Aristotle University of Thessaloniki with specialization in Information Systems. He has knowledge in Web technologies including Angular, HTML5, CSS3, JQuery, JavaScript, Bootstrap, PHP, SQL and he is familiar with programming in Java, Java Android, C/C++ and Python.
  • Filippos Simpf

    Mobile Software Engineer

    Filippos Simpf

    Mobile Software Engineer


    Filippos Simpf is a graduate student of the Department of Electrical and Computer Engineering (ECE) of the University of Peloponnese. He has experience in Mobile development and especially in Android development using native Android technologies . He recently started working at CITE as a software engineer working on cross-platform mobile development with React Native. His knowledge includes technologies such as Java, Java (Android), Javascript, HTML / CSS, XML, SQL with SQLite and MySQL
  • Thalis Haidopoulos

    Business Development Manager

    Thalis Haidopoulos

    Business Development Manager


    Thalis Haidopoulos has 20 years of sales experience in the broader IT industry of Cyber ​​Security and strategic business development.
  • Lefteris Karageorgiou

    UX Designer

    Lefteris Karageorgiou

    UX Designer


    Lefteris Karageorgiou studied Graphic Design at AKTO College and continued to expand his knowledge through various online training programs, including Web Development at the National and Kapodistrian University of Athens and Google UX Design. In October 2023, he joined CITE as a UX Designer.Lefteris excels in various areas, including Web Design, User Research, IA & User Flow Prototyping, Usability Testing, Branding, and Motion Design.He is proficient in design tools such as Figma, Adobe Photoshop, Illustrator, InDesign, and After Effects.
  • Kyrylo Chorny

    Software Engineer

    Kyrylo Chorny

    Software Engineer


    Kyrylo Chorny is an undergraduate of the University of the Peloponnese at the Department of Department Of Digital Systems. He has used C and Java Programming Language working on various tasks during his studies. He has also worked on C#, ASP.NET, .NET Framework and Angular.
  • Sotirios Giannopoulos

    Software Engineer

    Sotirios Giannopoulos

    Software Engineer


    Sotiris Giannopoulos is a graduate of the department of Electrical and Computer Engineering of the University of Patras. He is a Software Engineer that has professional experience working on large projects affecting thousands of users. Experienced using technologies including C#, .NET Framework, .NET Core, IIS Server, Javascript, ExtJS, Angular, SQL, MySQL, OracleDB.
  • Sotiris Sotiropoulos

    Senior Software Engineer

    Sotiris Sotiropoulos

    Senior Software Engineer


    Sotiropoulos Sotirios is a graduate of Computer Science Department (CSD) at University of Crete (UOC). He is employed by CITE as a Software Developer currently working on the Cloudroll project.
  • Anna Papachristou

    Frontend/Mobile Software Engineer

    Anna Papachristou

    Frontend/Mobile Software Engineer


    Anna Papachristou is a junior software engineer and a graduate of the Department of Informatics and Telecommunications of NKUA’s. She is experienced on JavaScript, Typescript, Angular, HTML, CSS, Sass, Bootstrap and is familiar with SQL, C, C++, Java, Pyton and Android. During her studies she has taken part on the development of three web and one Android applications.
  • George Vourdamis

    Junior Data Analyst

    George Vourdamis

    Junior Data Analyst


    George Vourdamis is a graduate of the Electronics and Computer Systems Engineering department of Piraeus University of Applied Sciences. He has dealt with hardware such as Arduino and servomotors. Ηis software experience includes programming languages such as Python, Java, C, C# for unity and 8086 assembly. He specializes in artificial intelligence, machine learning and image processing. He has worked on projects such as the implementation of a robotic arm on wheels and remote control through a smartphone application, the implementation of a Wordpress website, the development of a program applying artificial intelligence algorithms in order to solve chess puzzles. He speaks 2 foreign languages, English and Japanese. His hobbies are video games and karate.
  • Georgios Zervas

    Junior Data Analyst

    Georgios Zervas

    Junior Data Analyst


    Giorgos Zervas is a graduate of the Physics department of the National and Kapodistrian University of Athens. He holds a MSc in Astronomy and Astrophysics from the University of Amsterdam from which he recently graduated. During his studies, he became familiar with programming languages such as Python, R, and C, and took a deep dive into the world of machine learning and data science using Pytorch and Tensorflow for various projects. He currently holds the position of junior data scientist at CITE, where he is mainly engaged in cloud development in the Microsoft Azure ecosystem (Databricks, Machine Learning Studio, Data Factory), as well as Big Data engineering and analytics.
  • Konstantinos Antonios Mentis

    Software Engineer

    Konstantinos Antonios Mentis

    Software Engineer


    Konstantinos Antonios Mentis is a graduate of the Department of Informatics and Telematics at Harokopio University. He is familiar with the programming languages Java and Python. At the same time, he has general knowledge of HTML, Typescript, and workflow management systems (Airflow, Luigi). As part of his internship, he worked on the development of web applications with Spring Framework and Angular.
  • Georgios Nektarios Englezos

    Junior Software Engineer

    Georgios Nektarios Englezos

    Junior Software Engineer


    Georgios Nektarios Englezos is a graduate of the Department of Informatics and Telematics at Harokopio University of Athens. He programs in Java and C# while he has knowledge in C, Python, CSS, HTML and Javascript. Starting from his internship, he has worked on Java, Spring Framework, C# and ASP .NET. His main interest is video game development. 
  • Nikos Paschalis

    Software Engineer

    Nikos Paschalis

    Software Engineer


    Nikos Paschalis studied Mathematics at the National and Kapodistrian University of Athens and Desktop Publishing & Web Publishing Design at AKTO College. He is familiar with HTML, CSS, JavaScript, React, C#, ASP.NET Core and Entity Framework. He has been working at CITE since 2022.
  • Georgios Farao

    Junior Software Engineer

    Georgios Farao

    Junior Software Engineer


    Georgios Farao is a graduate of the Department of Informatics and Telecommunications of the National and Kapodistrian University of Athnes. He is familiar with technologies and languages such as ASP .NET Core, Angular, SQL, C#, C/C++, Python as well as HTML and CSS. He has been working at CITE as a software engineer, developing APIs and web applications. 
  • Alexandros Mandilaras

    Junior DevOps Engineer

    Alexandros Mandilaras

    Junior DevOps Engineer


    Alexandros Mandilaras studied Electronic Engineering at the Technological Educational Institute of Athens where he graduated in 2022. He also worked at SMARTEC S.A as a Samsung Authorized Service Center technician where he performed smartphone repairs and Quality Control services. He successfully finished a six week DevSecOps program called "Project Future", powered by ReGeneration and Piraeus Bank that adequately covered with extended hands-on sessions & real-life case studies in thematics such as High Availability & Horizontal Scaling, Cloud Compute & Storage Services, Container Services, Relational Database Services and more. Finally, he has been working at CITE as a DevOps engineer since 2022.
  • Elias Mantzoros

    Software Engineer

    Elias Mantzoros

    Software Engineer


    Elias Mantzoros is a graduate of the Technological Educational Institute of Peloponnese at the Department of Computer Engineering. During his studies he used C Programming Language for the various tasks required by his studies (representations of large graphs,implementation of algorithms on them, research and optimization of the respective algorithms), as well as Java for the preparation of his dissertation work. Apart from that he also has knowledge concerning android applications and has been involved with Xamarin for a short time. He is familiar with the following programming languages: C#, C++ and AngularJS.
  • Thomas Georgios Giannos

    Software Engineer

    Thomas Georgios Giannos

    Software Engineer


    Thomas Georgios Giannos is a Junior Software Engineer, graduate of the Department of Informatics at Information and Communication Techologies branch of University of Piraeus, specialized in Web Development.
  • Konstantinos Laloudakis

    Software Engineer

    Konstantinos Laloudakis

    Software Engineer


    Konstantinos Laloudakis is a graduate of the Department of Informatics and Telecommunications at University of Peloponnese and holds a Master’s degree on ‘Computer Science’ from the same department. He is experienced on Javascript, React, Angular, HTML, CSS, Bootstrap, C and is familiar with SQL, C#, Java and React Native. During his studies he has taken part in the development of multiple web applications.
  • Dimitris Polygenis

    Junior Software Engineer

    Dimitris Polygenis

    Junior Software Engineer


    Dimitris Polygenis is a student of the Department of Informatics and Telematics of Harokopio University. He is familiar with languages ​​and technologies such as C #, ASP .NET Core, EF Core, Java, Spring Framework, SQL, as well as general knowledge of HTML, CSS, JavaScript, Python. During his studies, he has participated in the implementation of multiple web applications as well as APIs. His professional career began at CITE in 2021 as a software engineer after the initial collaboration for the implementation of his internship. 
  • Panagiotis Mamouras

    Junior Software Engineer

    Panagiotis Mamouras

    Junior Software Engineer


    Panagiotis Mamouras is a graduate of the Electrical and Computer Engineering Department of the University of Thessaly. During his studies, he followed mainly network courses, while he is familiar with HTML, CSS, Javascript, Bootstrap, Angular, React, C and Python.
  • Marina Petsana

    Junior Data Engineer

    Marina Petsana

    Junior Data Engineer


    Marina Petsana graduated from the department of Computer Science and Biomedical Informatics (University of Thessaly). She holds a master's degree (with distinction) in “Informatics and Computational Biomedicine” from the same institution. Since 2021, has been in research, as a researcher assistant, and maintains a collaboration with the University of Thessaly and the Hellenic Pasteur Institute. Her scope of work includes data-driven Business Analysis and the manipulation of Big-Data.
  • Nikoleta Politi

    Web Developer

    Nikoleta Politi

    Web Developer


    Nikoleta Politi is a graduate of the Department of Product and Systems Design Engineering at the School of Engineering of the University of the Aegean. She has majored in Human-Computer Interaction. Among others, her academic courses were "Design for All", "Digital Narrative Forms", "History of Art" etc. As part of her Internship, she has been involved in the evaluation of a computer Math game (Variant Limits) , while she has worked as a Website and Social Media Manager.
  • Konstantinos Adamopoulos

    Software Engineer

    Konstantinos Adamopoulos

    Software Engineer


    Konstantinos Adamopoulos is a graduate of Computer Engineering and Informatics department of University of Patras. During his studies he gained expertise in C, C++, Python, C#,HTML,CSS,JS and SQL as well as Data Structures and Algorithms. Apart from that also has experience over web applications built with ASP.NET and Angular.
  • Lazaros Panitsidis

    Lazaros Panitsidis


    Lazaros Panitsidis is a Data Scientist & Engineer, based in Thessaloniki, Greece. He is a graduate of Industrial Engineering & Management at the International Hellenic University, where he is currently pursuing a Master's Degree in Data Science. He is skilled in programming languages such as Python, C++, SQL and MATLAB, enabling him to develop data-driven solutions and enhance operational efficiency.His interests lie in Data Science, Machine Learning, Big Data Reduction and more, where he is constantly seeking to expand his knowledge.
  • George Kavalieros

    Software Engineer

    George Kavalieros

    Software Engineer


    George Kavalieros is a graduate of Department of Informatics of the Athens University of Economics and Business. He is a Software Engineer that has professional experience working on large projects affecting thousands of users. Experienced using technologies including C#, .NET Framework, .NET Core, SQL, Javascript, KnockoutJS, Angular.
  • George Kalampokis

    Software Engineer

    George Kalampokis

    Software Engineer


    George Kalampokis is a graduate of the Informatics Department at the Athens University of Economics & Bussiness, and has started working with CITE as a software developer. He has an academic background on object-oriented programming and has worked with a number of technologies such as Java, C, C++, C# with .NET framework and Windows forms, as well as HTML / CSS / Javascript. In his free time he works on the Classic RBDoom 3 BFG and the development of the Open Platform library, which aims to make game development across online platforms easier.