Marianna Hatzopoulou (Ph.D.) is a Greek Sign Language interpreter and a qualified teacher of deaf students. She earned her PhD in Greek Sign Language Acquisition from Stockholm University, Department of Sign Language Linguistics, in 2008. She has more than 35 years of experience as a Greek Sign Language interpreter. Since 1987, she has worked for the Hellenic Federation of the Deaf in community interpreting and has provided interpreting services at numerous European and international conferences, seminars, and university programmes. She was a founding member of the Association of Greek Sign Language Interpreters (SDENG) and served on its Board of Directors from 1991 to 1998. She also served as a Board member of the European Forum of Sign Language Interpreters (efsli) from 2017 to 2019. She has been a trainer of Greek Sign Language interpreters since 2000 and has served as Head of the Scientific Committee for the Professional Certification Examinations for Greek Sign Language Interpreters since 2019. She became President of the Association of Greek Sign Language Interpreters (SDENG) in February 2026. She has authored one monograph, published articles in international journals and book chapters, and delivered numerous presentations at Greek and international conferences. Her research interests include sign language linguistics, teacher education, and sign language interpreter training.

Evlambia Angelou is a Greek Sign Language Interpreter since 2013 and an independent researcher. She works as a freelancer in political, educational and cultural settings, conferences, and television. Her research interests are sign language interpreting in specialized settings and media accessibility.

Polyxeni Nikolakopoulou is a professional English language teacher and certified Greek Sign Language interpreter, with long-standing experience in Special Education and, in particular, in the education of Deaf and Hard of Hearing students. Since 2013, she has served at the Public Special Junior High School–Lyceum for the Deaf and Hard of Hearing in Argyroupoli, and since 2008 she has provided interpreting services in Greek and international settings, working between Greek Sign Language, Greek, and English. She has specialized in interpreting for educational, political, cultural, and scientific settings, including conferences, theatrical performances, seminars, and academic presentations, and in recent years has also been actively engaged in remote interpreting for international initiatives. As a conference interpreter, she has participated in numerous major international events, including the EU-China Civil Society Dialogue on Disability Rights (Beijing, 2013) and the European Disability Forum (Cyprus, Strasbourg, Athens), as well as European Erasmus+ programmes. She is a member of AIIC (the International Association of Conference Interpreters). She holds an MSc in Special Education from the Department of Primary Education, National and Kapodistrian University of Athens (EKPA), and a degree in English Language and Literature, also from EKPA. She is certified in Greek Sign Language and interpreting, has trained in International Sign (IS), and has a working knowledge of American Sign Language (ASL). She has taken part in educational programmes in Greece and abroad through Erasmus+, EKPA, the National Theatre of Greece, efsli, and Lancaster University (Dublin, Iceland, Athens, UK), covering teaching methodology, intercultural education, theatre in education, and educational interpreting.

Georgios Stathis is a Greek Sign Language interpreter, researcher, and accessibility consultant based in Greece. He has been working professionally in the field of sign language interpreting since 2013 and is the Founder and Managing Director of HandsUp, the first Greek Sign Language interpreting agency in Greece. He currently works as a sign language interpreter at the Hellenic Open University and has extensive experience in educational, political, media, and cultural interpreting settings.

He holds an MA in Digital Accessibility for Deaf and Hard of Hearing People in Culture from the University of Macedonia and is currently a PhD candidate at the Department of Foreign Languages, Translation and Interpreting of the Ionian University. His doctoral research focuses on Deaf and hard-of-hearing visitors’ experiences, preferences, and satisfaction regarding sign language interpreted museum tours, with particular emphasis on accessibility, interpreting methodologies, and audience interaction in cultural environments.

Georgios has participated in conferences and professional training initiatives in Greece and abroad, including presentations for EFSLI and academic institutions. His research interests include sign language interpreting in cultural settings, digital accessibility, Deaf studies, museum accessibility, and the evolving role of interpreters in technologically mediated environments.

He is a former President of the Panhellenic Association of Greek Sign Language Interpreters (ΣΔΕΝΓ) and former General Secretary of the European Forum of Sign Language Interpreters (EFSLI).

Rozalia Founta is a certified Greek Sign Language (GSL) interpreter with 19 years of professional experience across a wide range of settings, including education, government ministries, conferences, community services, and Video Relay Service (VRS). Her background in Social Work and Education, combined with advanced studies in Multilingual Interpretation and Translation at the University of Siena, supports her work in complex multilingual environments. Her current academic research explores interpreting from sign language into spoken language in VRS, addressing key challenges in the Greek context, particularly in police-related VRS and VRI calls, employing Braun and Clarke's thematic analysis within a theoretical framework informed by Skinner (2024). This work is considered among the first of its kind in Greece. She maintains an active presence at both international and domestic conferences, having presented at events such as the Together Conference, the final conference of the MITS programme, and the 1st Panhellenic Conference of GSL Interpreters, as well as having delivered a webinar with EFSLI. Alongside interpreting, she contributes to interpreter training and continuous professional development, promoting quality and ethics in the field. She has served for many years on the Board of SDENG (the Association of Greek Sign Language Interpreters), currently holding the position of Vice President.

Androniki Xanthopoulou is a Greek Sign Language Interpreter since 2008.

Elizabeth Katsaraki is a psychologist and certified group and family psychotherapist. She has worked at the School for the Deaf and Hard of Hearing since 2010. She graduated from the University of Picardy in France and holds a postgraduate diploma in Clinical Psychology (DESS) from the University of Nice, France. She has been a certified Greek Sign Language (GSL) interpreter since 2006 and holds several specialized certifications in deafness, including a diploma in specialized education for the Deaf from the University of Patras. Elizabeth is President of the Disciplinary Council of the Association of GSL Interpreters and a member of the Scientific Committee for the evaluation of GSL interpreters. She has worked at all levels of education in various schools for the Deaf in Athens, from kindergarten through to Lyceum, as well as in vocational education institutions for the Deaf, gaining in-depth expertise in the field. Her professional experience with the Deaf community began in 2004, when she co-founded the Greek Sign Language Institute "Gefyres Epikoinonias" (Bridges of Communication), where she continues to work today. At the Institute, she serves as Head of Communication and Organization and has led the GSL Interpreting Studies programme since 2006. As a specialist, she has gained experience participating in various settings, including national and international conferences. She recently undertook the GSL review of two projects: the design and development of accessible educational material for Deaf students (grades A–E) in collaboration with the Institute of Educational Policy under the Ministry of Education, and the translation of the CRPD (UN Convention on the Rights of Persons with Disabilities) into Greek Sign Language. She has also participated in numerous national and European conferences and Erasmus+ programmes as a specialist (Sign 1st, Sign Links, Go4Vet) and as a partner institution.

Vaso Alexandri is a PhD candidate in the Department of Social Anthropology at Panteion University. She holds a BA in Philosophy, Pedagogy and Psychology and a BA in Early Childhood Education from the National and Kapodistrian University of Athens (NKUA). She also holds an M.A. in Special Education from NKUA and an M.A. in Social and Cultural Anthropology from Panteion University. The broader remit of her research focuses on the ways in which social relations shape categories of personhood, such as disabled, Deaf, and hearing. Her work further examines the methodological and epistemological contributions of disability to social research, as well as the ways in which accessibility services generate relations of power and forms of epistemic injustice. Since 2021, she has been working as a Greek Sign Language interpreter in a wide range of settings, including on-set interpreting, remote relay services, academic conferences, and political events. She also provides Greek Sign Language interpretation for the news bulletin on Naftemporiki TV. Since February 2026, she has served as General Secretary of the Association of Greek Sign Language Interpreters. Her academic and professional interests lie at the intersection of critical theory, disability studies, philosophy, and social and cultural anthropology.