Mariano Fernández-López, PhD, is a former Senior Lecturer and Director of the Degree in Information Systems Engineering at Universidad San Pablo CEU, where he also served as Director of the Software Engineering and Knowledge Engineering Department (2004–2008). He is currently on leave from Universidad San Pablo CEU and works as a tenured civil servant at the Spanish Ministry of Education. He was previously a Lecturer at Universidad Pontificia de Salamanca (1998–2002) and Universidad Politécnica de Madrid (2000–2003). He holds a BSc in Computer Science (1996), MSc degrees in Software Engineering (1999) and Knowledge Engineering (2000), and a PhD in Computer Science from UPM (2001), where his thesis received the PhD Extraordinary Award. His research focuses on knowledge engineering. He co-authored Ontological Engineering, which was awarded an Honorary Mention for Best Textbook by the UPM University Foundation, with nearly 3,500 Google Scholar citations. He has published 13 book chapters, 7 peer-reviewed conference papers (ACM, Springer, IOS Press, IEEE), and 29 additional papers in other academic venues, including the AAAI-97 Symposium. His works in IEEE Intelligent Systems and Data & Knowledge Engineering were among the most cited and downloaded, respectively. He has participated in 21 national and international research projects and completed research stays at the Universities of Sunderland, Liverpool, and the Open University, as well as the Italian National Research Center.