Constantine Stephanidis, Professor at the Department of Computer Science of the University of Crete, is Founder and Head of the HCI Laboratory, and Founder and Head of the Ambient Intelligence Programme of ICS-FORTH. For three and a half decades, he has conducted pioneering research work in the HCI field, having introduced in the international literature in the early '90s the concepts of "Design for All" and "Universal Access" along with the supporting technological frameworks, methods and tools. He has published more than 800 articles in scientific archival journals, books and handbooks, proceedings of international conferences and workshops related to the fields of his expertise. He has been engaged as the Scientific Responsible in more than 200 European Commission and nationally funded R&D projects and RTD contracts in areas of his competence. He is the Founder (2000) and Editor-in-Chief of the Springer journal "Universal Access in the Information Society" and in 2001 he founded the International Conference "Universal Access in HCI". Since January 2016, he is the Managing Editor of the "International Journal of Human-Computer Interaction", published by Taylor & Francis. He is the lead Editor and chapter (co-)author of the book series "HUMAN-COMPUTER INTERACTION: FOUNDATIONS AND ADVANCES” (CRC Press - Taylor & Francis Group, 2024) a collection of 6 books with a total of 90 chapters that provides a broad and extensive coverage of the interdisciplinary field of HCI.