
team members
katerina pastra, Head

eirini balta
Senior research associate
Eirini is a Senior Computer Engineer with an MSc in Language Technology, currently finishing a PhD in Cognitive Psychology, at Panteion University. Her research career spans more than 15 years and a number of R&D projects in academia. She is a longterm collaborator in the Lab, focusing on Embodied Knowledge Representation and in particular, on developing algorithms for the automatic detection of basic level concepts.

alkistis bouzaki
Research associate
Alkistis is a Natural Language Engineer specializing in Conversational AI, Natural Language Understanding (NLU) and Dialogue Systems. She has substantial working experience in developing and optimizing production conversational agents for enterprise clients using real conversational data. Currently, she works as an NLU expert in Vodafone, and as a research associate in the intelliGEND project of the lab. Alkistis holds an MSc in Language Technology (Univ. of Athens and ILSP/ATHENA R.C.) and a BA in Linguistics (Univ. of Athens).

Konstantinos Chaldeopulos
PhD Candidate
Konstantinos is a PhD Candidate on Vision-Language Models for cognitive and robotic applications at the National Technical University of Athens. He holds an MSc in Artificial Intelligence and has worked as an NLP Engineer at HP, where his role focused on creating Retrieval-Augmented Generation (RAG) pipelines. His current research explores the transfer learning abilities of human visual saliency prediction models.

GiaNNIS CHALKIADAKIS
Postgraduate Intern
Giannis is a Data Scientist with an MSc in Data Science and Machine Learning from the Hellenic Open University and an MEng in Civil Engineering from the University of Patras. He has held an Archimedes.ai postgraduate internship for developing a Verbal Deception Detection model for real life, high stake criminal cases, which is currently followed up with an ILSP internship for Multimodal Deception Detection. His current research includes also work on improving language models through learning from dialogue interaction and on optimization.

andriana Dagla
Research Associate
Andriana is a Computational Linguist, with an MSc in Language Technology (Univ. of Athens/ILSP-Athena R.C.) and a BA in Linguistics (Univ. of Patras). She has substantial experience in corpus creation and annotation and has been a core contributor for a unique verbal deception dataset of High-stake, Real Life Criminal Cases. Her ongoing research focuses on the development of linguistic resources for inclusive language detection and mitigation; she is part of the intelliGEND project run by the lab.

Konstantina Gasteratou
Graduate student
Konstantina holds two BAs, in Foreign Languages, Translation & Interpreting (Ionian University) and in Spanish Language & Literature (NKUA), and is currently pursuing an MSc in Language Technology. She has experience in linguistic data annotation and Digital Humanities through her internship at ILSP/Athena R.C. Her ongoing research focuses on Embodied Learning with an emphasis on how Large Language Models can handle unpredicted situations through creative and commonsense‑driven reasoning.

Christina Kalafati
graduate student
Christina is a Computational Linguist with a B.A. in Linguistics from the Institute of Mediterranean Studies of the University of the Aegean. She is currently finishing a MSc in Language Technology. Her research focuses on context-aware large language models, and translation accuracy in general purpose LLMs, as compared to human translation performance.

lefteris Kapernaros
Phd candidate
Lefteris is a PhD Candidate on Event Extraction for Crisis Management Applications at the National Technical University of Athens in a Collaborative Doctoral Partnership with the European Commision Joint Research Center (JRC). He holds an MSc in Language Technology (ILSP/ATHENA R.C.) and is a graduate of the Department of Audiovisual Arts at the Ionian University. His research includes multimodal reference resolution and the development of semantically granular evaluation mechanisms. During his studies, he has also gained programming experience in creative coding, particularly in sound synthesis and experimental graphics.

eleni karadimou
Research associate
Eleni is a Natural Language Engineer, currently finishing an MSc in Language Technology. Her ongoing research focuses on developing Inclusive Language Recommender systems. She is a core member of the intelliGEND project run by the Lab, in which she develops an AI system for the detection and mitigation of non-inclusive language.
Check out: 🏆 intelliGEND selected for a “Proof of Concept Grant for Emerging Technologies” in the nation-wide competition of Science-Agora!

Eirini Katsadaki
PHD CANDIDATE
Eirini is a PhD Candidate on Geospatial and Semantic Information Extraction at the National Technical University of Athens. She is a computer scientist (Athens University of Economics & Business) with dual Masters degrees in Management Science and Technology, as well as Geoinformatics (National Technical Univ. of Athens). She currently works as a Data Analyst at the Greek Independent Authority for Public Revenue.

Giorgos Kordonis
graduate student
Giorgos is a Senior Software Engineer with a long industrial experience, currently working in Qualco while also pursuing an MSc in Language Technology. In this framework, he focuses on implementing a Minimalist Grammar of Action API for unified access to Cooking Action Datasets in AI and Robotics.

Konstantina Pervolaraki
PHD candidate
Konstantina is a PhD Candidate on Knowledge Representation and Exploration for Cross-Domain Crisis Management at the National Technical University of Athens, in a Collaborative Doctoral Partnership with the European Commission Joint Research Center (JRC). She holds an MEng in Rural Surveying & Geoinformatics Engineering and an MSc in Geoinformatics from the same university. She previously worked as an Earth Observation Engineer at the National Observatory of Athens on European Space Agency (ESA) projects, including Greece’s National Satellite Space Project.

FaY Poylou
Graduate student
Fay is a Computational Linguist with an MSc in Language Technology (Univ. of Athens and ILSP/Athena R.C.). She works in Ampersand (&) Learning & Technology as an instructor of robotics and STEM for primary and secondary education students. She has undertaken an Internship in ILSP/Athena R.C. on computational morphology (Universal Dependencies). Her ongoing research is related to Embodied Learning and in particular to the automatic detection of cognitive load in spontaneous speech.

Maria SPilioti
graduate student
Maria is a professional translator currently finishing her MSc in Language Technology. She has substantial working experience as Localization Project Manager delivering multilingual projects in fast-paced, global environments. Her ongoing research focuses on the use of images in machine translation pipelines.

Aggelos sotirchos
Research Associate
Aggelos is a Product and Systems Design Engineer, with a Master in Science Degree in this subject, from the University of the Aegean. His research focuses on Embodied Cognition and Cognitive Complexity. In the Lab, he is exploring the hypothesis that basic level categorization applies also to action-related concepts.

Iro Tyrokomaki
graduate student
Iro is a Computational Linguist, currently finishing her MSc in Language Technology. Her ongoing research focuses on Verbal Categorisation and Rosch’s Basic Level theory and in particular, she is exploring the hypothesis that basic level categorization applies also to feature-related concepts.

artemis chardouveli
graduate student
Artemis is a Computational Linguist currently finishing an MSc in Language Technology. She has substantial working experience in Clinical Operations and Quality Assurance Testing, including cases of leveraging machine learning for early detection of neurodegenerative and psychiatric diseases based on speech. She has held an Archimedes.ai internship for exploring the use of LLMs in Robotic Action Planning, which is her core research line in the lab.

aleksandra Saivanidou
graduate student
Alexandra is an AI Engineer at Satori Analytics, currently finishing her MSc in Language Technology. She has worked as a research assistant at the Psycholinguistics & Neurolinguistics Lab of the University of Athens, in projects related to Aphasic discourse and language features in Autism, as well as on children’s language, rythm and cognitive abilities. She has also been an intern in ILSP/Athena R.C. working on a Modern Greek Hate Speech project. Following up along these lines, her ongoing research focuses on employing cognitive methods for the automatic detection of misogynistic memes.

aleksandra rousopoulou
graduate student
Alexandra is a Computational Linguist currently finishing her MSc in Language Technology. She has substantial working experience as an IT service logistics supervisor. Her research experience involves development and annotation of Question-Answering Datasets. Her ongoing research focuses on the use of Generative AI for Knowledge Acquisition in Robotics.

Wuyue clara Liang
phd candidate
Clara is a PhD candidate on Detecting minority/immigrant group systematic bias frames in LLM training data at the University of Verona, in the framework of the Marie Curie Doctoral Network ARMADA. She has an MA in Linguistics from the University of Cologne, Germany and a BA in Linguistics from the University of Pittsburgh, USA.
- Argiro Vatakis (2008-2016) – Associate Professor of Psychology at Panteion University
- Panagiotis Dimitrakis (2008-2017) – CTO in SentiGeek.
- Maria Lada (2008-2017) – Professor of Greek Philology at PIERCE College, American College of Greece
- Giorgos Karakatsiotis (2009-2013) – Co-Founder and Lead Engineer in LightBuzz.
- Dimitris Mavroeidis (2010-2017) – Artificial Intelligence Architect at Quento.
- Vassiliki Efstathiou (2013-2017) – Data Science Manager at Kpler/MarineTraffic.
- Paschalis Veskos (2013-2016) – Head of Space Industry projects at Software Competitiveness International S.A.
- Lorenzo Gregori (2017, Visiting PostDoc on Multimodal Knowledge Representation) – Researcher at the University of Florence, Italy.
- Eleni Antonakaki (2022-2023, Graduate Student on Detecting Verbal Deception) – Digital Copywriter in Sheepfish.
- Vassiliki Moutzouri (2022-2023, Graduate Student on Reusability of Goal-directed Action Datasets).
- Athina Savvinidou (2022-2023, Graduate Student on Misogyny Detection) – Product Manager and Computational Linguist at Novelcore.
- Anna Eleftheriou (2023-2025, Graduate Student on Translation Challenges of Embodied Concepts).
