Konstantinos Sakkas is the Licensee and Organizer of TEDxArta, as well as a PhD Candidate at the DIT|UOI and a researcher at the HCILAB. His research focuses on immersive technologies, Digital Twins, Virtual, Augmented and Mixed Reality (XR), and their applications in education, healthcare, and human-centered systems.
He is President (Chair) of the IEEE Student Branch University of Ioannina |
Arta and Head of Technology Development at KIDS SAVE LIVES, where he contributes to innovative, technology-driven solutions for CPR education and large-scale social impact initiatives.
With strong expertise, he bridges research, innovation, and entrepreneurship. Through TEDxArta and his broader academic and technological activities, he aims to cultivate ideas worth spreading, empower young communities, and connect emerging technologies with meaningful societal change.
NIki Eleni Ntagka
Niki Eleni Ntagka is a Data Flow Engineer, programmer, and researcher, currently a PhD Candidate in Human–Computer Interaction (HCI) and Gamification. Her academic and professional journey focuses on the intersection of data engineering, interactive systems, and user experience design.
Driven by innovation, collaboration, and continuous growth, she aims to bridge advanced technology with meaningful user impact, contributing to initiatives that connect data, interaction, and real-world application.
Paraskevi Charokopou
Paraskevi Charokopou is a computer science student from Megara, Greece, with an interest in technology, ideas, and the people behind them. As a curator, she enjoys discovering stories worth telling and bringing together people who can inspire the community. Outside of TEDx, she loves volleyball and TV series, two things that remind her of the power of teamwork and storytelling.
MICHAIL SPYRIDAKIS
Michalis Spyridakis, 21, comes from Heraklion, Crete, and studies at the Department of Informatics and Telecommunications at the University of Ioannina (Arta branch).
He is a member of the TEDxArta organizing team, serving as Website Manager, where he is actively responsible for the development, management, and continuous improvement of the event’s digital presence.
At the same time, he is an active member of EpirusXRCenter, focusing on emerging technologies and Virtual & Augmented Reality (XR) applications, but his love for websites is what sets him apart.
With a strong interest in technology and digital innovation, he aims to create meaningful digital experiences that combine functionality, creativity, and impact.
Stavroula Kamposiora
Stavroula Kamposora is a student at the Department of Informatics and Telecommunications in Arta and has always wanted to combine creativity with technology. For her, computer science is not just about code and systems, but a way to design experiences and give shape to ideas. Graphic design is at the core of her interests, but she also explores modern technologies and immersive digital environments, combining aesthetics, functionality, and innovation.
CHRISTOS NOTIS
Christos Notis, 21, born in Ioannina, is a member of the TEDxArta organizing team. He studies Information Technology and Telecommunications in Arta and is active in the IEEE Student Branch of Ioannina | Arta as Social Media Manager, as well as in the Epirus XR Center.
With an emphasis on collaboration and responsibility, he is passionate about emerging technologies and Virtual Reality (VR), creating immersive digital experiences that inspire innovation and meaningful impact. Outside of technology, he enjoys staying active through sports, traveling, discovering new flavors and experiences, and losing himself in the pages of a good book.
Triantaphyllopoulou Evgenia
My name is Triantaphyllopoulou Evgenia and I am in the speakers group. I am a graduate of the Department of Informatics and Telecommunications at the Arta campus and I love meeting people with interesting ideas and opinions. I believe that good discussions help us learn from each other and grow. I also enjoy creative debates, because they give us the opportunity to see things from different perspectives.
Maniola Kotzai
Maniola Kotzai is a senior student in the Department of Mathematics at the University of Patras. She aims to combine analytical thinking with creativity, and she is always interested in learning new things and connecting with new people.
Panagiota Tsioukari
Panagiota Tsioukari is a student at the department of Informatics and Telecommunications located in Arta, member of the TedxArta volunteer team. She is a very curious student looking forward to explore different aspects of computer science.
Georgia Koutsimpiri
Georgia Koutsimpiri, a first-year student at the Department of Informatics and Telecommunications in Arta, is a member of the TEDxArta organizing team. She is passionate about computer science and interested in exploring its many fields, always eager to expand her knowledge and gain new experiences throughout her studies.
Eva Ziova
Fine Arts student and Photography graduate working with event and exhibition photography, videography, and video editing. I also design & create handmade polymer clay jewellery and beyond that, I explore a wide range of personal projects across different artistic mediums also including 3d printing
Anastasia Bantralexi
Anastasia Bantralexi is a student at the Department of Informatics and Telecommunications in Arta and is part of the team of Backup Volunteers. She is very passionate about all the fields in computer science but especially programming.She is very willing to learn and experience new skills through her studies.
Fotini Polychronidou
I am an undergraduate Psychology student at the University of Ioannina with a particular interest in the human brain and neuroscience. I am inspired by volunteering and traveling, as they give me the opportunity to meet new people and different cultures. I believe in the power of solidarity and community to create positive social impact.
Apostolos PaPamargaritis
My name is Apostolos Papamargaritis and I am part of the Sponsorship and Budgets group. I am a pediatric professional who works with children and newborns, while also designing mental-health empowerment activities for students and teaching first aid.
I enjoy creating initiatives that support people and communities to feel stronger and more confident. As a true Sagittarius, I am always active, curious, and full of new ideas.
I love traveling, I strongly believe in the TEDx philosophy, and even on my day off, you will probably find me thinking about the next project—or the next sponsor. ☕🌍🚀
Konstantinos Daniilidis
Konstantinos is a Bioinformatics researcher and TEDxArta's IT volunteer. Beyond his research, he is leading the development of the iSAVElives emergency response application. Ultimately, Konstantinos envisions merging computer science and biology to build tools that redefine modern medicine.
Irene Koliou
I’m from Lamia, and I’m studying in the Department of Music at the University of Ioannina. In my free time, I read books and listen to podcasts.
I enjoy traveling and learning about new cultures.
The instrument I play is a Turkish wind instrument called the Ney, and it was the reason for my Erasmus exchange in Istanbul.
Lydia Gketsi
Lydia Gketsi is an award-winning inventor with a passion for innovation.
Having taken the stage as a speaker at various TEDx events and international institutional forums herself, she is now leveraging her experience on the Curation & Audience Experience team at TEDxArta.
Her goal in life is to contribute to the creation of tools and technologies that solve real-world problems, while simultaneously building safe spaces of expression and coexistence for everyone.
Eleftheria Polyzou
Eleftheria Polyzou is a senior student in the Department of Music Studies at the University of Ioannina. She is interested in music as a way of expression, but also how it connects everyday life and people. Through her participation in the team, she hopes to contribute and spread TEDx ideas.
Ilias Papakostas
I am a freshman with a passion for robotics and sports. Through soccer and technology, I strive to improve every day, with a focus on creativity and collaboration.
Akis Fotis
I am an economist and co-owner of the company “EPENDYTIKI – Business Consultants,” and I hold an MBA from the University of Ioannina. I participate in TEDxArta as a Curator and Event Volunteer because I enjoy being behind ideas that are worth hearing and turning them into lasting experiences. In my free time, I balance sports and travel usually chasing the next challenge or the next destination.
Ilias Kostoulas
My name is Elias , I’m studying nursing and work at an advertising agency with extensive experience in event management. I’m passionate about volunteering, and within the team I’m involved in the event experience sector, specifically in the social spaces category.
Thodoris Tryfonopoulos
Hi, I am Theodoros Trifonopoulos, a Computer Science student at the University of Ioannina with a passion for both building clean and functional web experiences and working with data. As a Frontend Developer for TEDx, I combine my technical background with a keen eye for design to bring ideas to life on the web. Alongside web development, I specialize in Data Engineering designing pipel
Evangelos Panetas
I am a student in the Department of Agriculture at the University of Ioannina and I am volunteering for TEDxArta 2026. My engagement with nature and technology is a source of inspiration and creativity for me, and through collaboration and participation in initiatives, I aim to grow and make a positive contribution to the community around me.
LEONARDO MUCHAI
I hold a degree in Computer and Network Technology and am a student in the Department of Informatics and Telecommunications at the University of Ioannina. Through my involvement with technology and innovation, I strive to continuously improve myself, and as a volunteer at TEDxArta 2026, I contribute to an initiative that promotes knowledge, creativity, and the exchange of ideas.
Zoitsa Vlachou
I am a computer science teacher with more than 20 years of experience in education, with a particular interest in robotics, artificial intelligence, and modern digital tools in the educational process.
Believing in the power of open ideas and collaboration, I am participating as a volunteer in TEDxArta 2026, contributing to an event that brings innovation and creativity closer to the local community.
Konstantinos Nasis
I am a sophomore in high school with a particular interest in the sciences and programming, and in recent years I have been actively involved in robotics clubs. At the same time, my involvement in theater education has helped me understand the importance of communication and collaboration. Through my participation as a volunteer at TEDxArta 2026, I aim to discover new ideas, collaborate creatively, and experience a major event firsthand.
Lydia Noti
I am a chemistry student and a member of the Social Media team for TEDxArta 2026. Beyond chemistry as a science, I am particularly interested in the “chemistry” between peoplethe spontaneous moments, the communication, and the stories that emerge from them.
Sofia Georgopoulou
My name is Sofia Georgopoulou. I am 21 years old and I am studying in the Department of Elementary Education at the University of Ioannina. My goals are meaningful communication, teamwork, and creating a positive and supportive environment for everyone.
Alexandros Anastasiou
Alexandros Anastasiou, 21, was born in Ioannina. He is a student at the University of Ioannina-Arta in the Department of Information Technology and Telecommunications, and is a member of the IEEE Student Branch of Ioannina | Arta and the Epirus XR Center.
Konstantinos Balamatsias
Konstantinos Balamatsias is a Graduate of Medieval and Modern Greek Studies from the University of Ioannina, currently a student of Canine Education at BHARCS (an international canine behaviour education academy based in Bangalore, India), and has been working in the tourism sector for over nine years.
Throughout his academic and professional journey, he has remained actively involved in volunteerism. He is the current President of ESN Ioannina (Erasmus Student Network Ioannina) and Treasurer of the Animal Welfare Team of the University of Ioannina; he was also a speaker at the Alternative Stage of TEDxMavili Square, where he spoke about animal rights.
His restless spirit and creativity led him to engage with dance and theatre, and as a long-standing member of the Theatre Team of the University of Ioannina, he developed valuable skills and gained the experience that enabled him to work in the field of theatre; in his free time, he enjoys participating in road races and brainstorming new projects and ideas.
