Konstantinos T. Kotsis is Full Professor of Science Education in the Department of Primary Education at the University of Ioannina. He holds a BSc in Physics from Aristotle University of Thessaloniki and a PhD in Natural Sciences from the University of Ioannina. His early career focused on solid-state physics and X-ray scattering, with research experience in Greece and the United States, before shifting to science education. Since the mid-1990s, he has contributed to the development of physics and science education in higher education and teacher training. He has taught undergraduate and postgraduate courses in Physics, Chemistry, Informatics, and Education, including general and experimental physics, STEM education, inquiry-based learning, and contemporary teaching approaches. He has supervised over 200 master’s theses and numerous doctoral dissertations on conceptual change, scientific literacy, experimentation, and educational technologies. His research focuses on science and physics education, STEM and environmental literacy, alternative conceptions, experimentation, and artificial intelligence in education. He has authored and edited books, contributed to national curricula and teacher guides, and published widely in international journals. He has held senior academic leadership roles, including Department Chair, Dean of the School of Education, and Director of postgraduate programs and the Laboratory of Science Teaching and Education.