Dr. António M. Teixeira (Lisbon, 1965) is an Associate Professor with tenure at Universidade Aberta (UAb), the Portuguese open university, since 1991. A member of the Department of Education and Distance Learning which he headed from 2016 to 2020, he's also a researcher at the University of Lisbon's Center of Philosophy and collaborates with the University of Rome 3 as well as the Distance and eLearning Lab (LEaD) at UAb. Having graduated from the University of Lisbon where he received his PhD (2003) and MPhil (1994) in Philosophy, Dr. Teixeira conducted his training in online education at the University of Turku (2004). From 2006 to 2009 he was Pro-rector for innovation in Distance Learning at UAb. In that capacity, he conceived the strategy and managed the university’s successful and speedy transition process from a print-based distance learning institution to a fully online one. He was also responsible for the design and initial implementation of LEaD and the university’s open access scientific repository (Repositório Aberto). António Teixeira was President of the European Distance and E-learning Network - EDEN (2013-16), having previously served as Vice-president (2010-13) and Director (2008-16). The organization is the largest European association in the field of open, distance and eLearning. He's currently a member of the Council of EDEN Fellows. He was also a Director at Ibstpi – International Board of Standards for Training, Performance and Instruction (2011-2017). Currently he serves on the Board of the Council of EDEN Fellows. He was a visiting scholar at the Korean National Open University (2010) and has collaborated in teaching activities with several other international universities, as the University of Oxford (UK), the Politécnico di Milano (Italy), the Tecnológico de Monterrey (Mexico) and the Universidad Galileo (Guatemala). Throughout the years, António Teixeira has integrated several boards of directors and many expert committees and task forces in higher education institutions and organizations at national and international level. From 2007 to 2009, he was member of the Academic and Administration boards of Asia’s International Open University (UAIA) and of the Portuguese Rectors Council (CRUP) specialized committees on Scientific Research and Knowledge Transfer, and Evaluation, Quality and Innovation. Presently he’s a member of the International Advisory Board of the Distance Education and Learning Futures Alliance of the Massey University (New Zealand) and the Vice-president of the Ad Lucem Association (University of Lisbon). He was also a consultant for UNESCO. António Teixeira is a member of the International Advisory Board of the Unesco Chair on Distance Education (CUED) at UNED, in Spain. He's also a member of the CIPSH Chair on Digital Humanities in Education (Universidade NOVA de Lisboa, Universidade do Porto, Universidade Aberta). He's also an external expert for the Agência de Avaliação e Acreditação do Ensino Superior (A3ES), the Agència per a la Qualitat del Sistema Universitari de Catalunya (AQU Catalunya) and the Agencia de Calidad y Prospectiva Universitaria de Aragón Agencia de Calidad y Prospectiva Universitaria de Aragón (ACPUA) in Spain, the Agencia de Avaliação e Acreditação do Ensino Supeiror (A3ES) in Portugal and the Agencia Nacional de Investigación y Innovación (ANII) in Uruguay. He participated as rapporteur in the first two evaluation cycles of the Portuguese university programmes (CA/FUP and CNAVES). He was a Vice-president of the Scientific and Pedagogical Committee at the InnovENT-E Institute (France) and a member of the Project Committee 288 (Educational Organizations Management Systems - Requirements with guidance for use) of International Organization for Standardization (ISO/PC288) in representation of EDEN. He's an elected member of the Scientific Society of the Portuguese Catholic University as well.