Stefano Bistarelli, knight of the order "Merit of the Italian Republic" (cavaliere dell'ordine al merito della repubblica italiana) (OMRI) for scientific merits, is one of the most qualified Italian experts in the field of Knowledge Representation and Reasoning, with a particular interest in Argumentation, Constraint Programming, Cybersecurity and blockchain. He is currently Full Professor at University of Perugia, where he moved after a dense educational background: he started his education at the University of Pisa, where he obtained two master degrees in computer Science (Information Science, and Informatics), both with a score of 110/110 cum laude; then in 2001, again at the University of Pisa, a PhD in Computer Science. His research has always had a strong international and multidisciplinary perspective, starting already from his doctoral thesis, appreciated and awarded as the best doctoral thesis, by both the Italian section of the European Association for Theoretical Computer Science (EATCS) and by the Italian Association for Artificial Intelligence (AI*IA). Later, in 2004, an extended version of his doctoral work has been published as a volume in the Springer Jacketed LNCS series with the title "Semirings for Soft Constraint Solving and Programming". This book represents at today an important reference for those who are deeply involved in the (Soft) Constraint Programming area. After a fellowship at the University of Padua, where he investigated on the relationship between knowledge representation and computer security, he moved for a PostDoc position in Computer Security at the Institute of Informatics and Telematics (IIT) of the National Research Council (CNR) in Pisa: the brilliant results accrued in this field earned him the appointment by the IIT-CNR of Pisa as the Italian candidate for the Cor Baayen Award (2002). In September 2002 he became a researcher at the University "G. d'Annunzio "of Chieti-Pescara, where he was then appointed associate professor (September 2005). In 2008 he moved to the University of Perugia, his current affiliation. His scientific activity in the Knowledge Representation and IT security area, is acknowledged internationally and he has been invited/keynote or tutorial speaker in Conferences and Workshops (to cite some, the International Workshop on Views On Designing Complex Architectures (VODCA 2004), the International Conference on Risks and Security of Internet and Systems (CRiSIS 2012), and the Constraint Programming and Decision Making Workshop (CoProD 2014)). He was also the recipient of a Best Paper Award for the work "A Formal and Practical Framework for Constraint-Based Routing", received at the International Conference on Networking (ICN 2008). Since 1998 his research work has contributed to the growth of the research community in the Knowledge Representation and Reasoning, and Security fields: from that date, in fact, he played the role of referee for many scientific journals (ENTCS, TCS, Fuzzy Systems IEEE, JAIR, aI, AIJ, IJAIT, Algorithmica, Constraint, Joh, …) and of chair in numerous, prestigious conferences (CP, IJCAI, FLAIR, SAC, SAFECOMP, ERCIM CSCLP, ECAI, PPDP, PKDD, PADL, ILP, ESORICS, ICTAI, ESOP, …). Some of the chairing activity also implied editorial work publishing in the Journal of Heuristics, TCS, Fundam. Inform. and JETAI. At today he is Associated editor of Frontiers in Blockchain Smart Contracts, member of the Editorial Board of Argument & Computation (IOSPress) and of Intelligenza Artificiale (IOSPress). Stefano Bistarelli is active in several research initiatives at national and international level: since 2002 he is associated Researcher of the IIT-CNR and member of the GNCS-INDAM research group; From 2013 to 2015 he was Associated Researcher of the Information Society Technologies (IST) project funded by the EU ASCENS. In the past years has been invited and spent some time for research visits at INRIA Paris; IC-Park Imperial College London; Department of Languages and Computer Systems, Barcelona; Institute for Logic, Language and Computation Amsterdam; Institute of Computer Science LMU Monaco; S.R.I. San Francisco; Chinese University of Hong Kong, Cork Constraint Computation Centre and Department of Computer Science, Cork, Ireland, University of Texas at El Paso. Recently he was visiting professor at University Dauphine Paris. He was awarded the rank of Senior Member of the 'Institute of Electrical and Electronics Engineers (IEEE), a degree that is awarded to only 8% of the members of the International Association of reference (more than 430,000), and in addition invited to be part of the Knowledge representation and Reasoning on the Artificial Intelligence Technical Committee of the International Federation for Information Processing (IFIP). Since 2014, his research activity in the Security and AI field has resulted in the creation of the node of Perugia of the CINI National CyberSecurity, and of the National AI and Intelligent Systems Laboratories, of which he’s currently the director. He also leads the Italian Working group on DLT and the AIxIA working group on Argumentation. He is also active in the Italian Theoretical Computer Science Community (vice-president of the Italian Chapter of the EATCS). BIBLIOMETRIC DATA (as of March, 2022) • Scopus: H-index: 21, Total citations: 2656 • WoS: H-index: 16, Total citations: 1498 • Google Scholar: H-index: 29, Total citations: 4931 RESEARCH PROJECTS Stefano Bistarelli has more than 15 years of experience and success in participating in Italian and International research projects. Moreover, since 2005 he started to lead research units in PRIN (Italian National Research Project), to participate as Principal Investigators in several Italian projects (ex60%, CCOS-FLOSS, INDAM-GNCS, …) and as work-package/unit/task leaders in International Projects (Enterprise Ireland International Collaboration Programmes, COST Actions, …). He has also active and consolidated collaborations with SMEs for industrial and applied research, creating also his own small company. Expert in the review of research projects, he was member of the MIUR FAR (Fondo Agevolazioni alla Ricerca) expert pool, reviewer for SIR (Scientific Independence of young Researchers) and PRIN. He is currently reviewer for Smart Cities and Communities and Social Innovation projects, ETS for AAL European projects, member of REPRISE (register of scientific experts set up at the MIUR) for the sections 1) Basic research, 2) Competitive industrial research and social development, 3) Dissemination of scientific culture). IMPACT AND INTERNATIONAL VISIBILITY Awards: • 2001: Best Italian PhD Thesis in Theoretical Computer Science by EATCS Italian Chapter, and in Artificial Intelligence by Italian Association for AI • 2002: Italian (CNR) nomination for the European ERCIM Cor Baayen award • 2008: Best Papers @ ICN 2008 • 2014: IEEE Senior member grade elevation • 2014: Italian habilitation as full professor in computer Science • 2016: French Qualification as full professor in computer Science • 2017: knight of the order "Merit of the Italian Republic" (cavaliere dell'ordine al merito della repubblica italiana) (OMRI) for scientific merits • 2018: Winner of the Amazon AWS Research Grant Invited talks: • 2004: "Soft Constraint for Security". VODCA • 2012: "Semiring-based Constraint Models and Frameworks for Security-related Scenarios", CRiSIS • 2014: "Solving Argumentation Problems with Constraints: some applications to Decision Making", CoProD • 2017: "semiring-based soft constraint solving and argumentation", joint PhD program TU Dresden and University of Leipzig on "Quantitative Logik and Automata (QuantLA)" • 2018: "from mining to multisigned transactions: discovering how bitcoin work", scientific school on Blockchain and Distributed Ledger technologies Editorial activities: Editorial board of "Intelligenza Artificiale", IOSPress 2016-today Associate Editor of Frontiers in Blockchain, 2018-today Editorial Board of Argument and Computation, IOSPress 2020-today SUPERVISION AND MENTORING His long experience in the education and formation field inspired many young students and researchers. He was also involved as external examiner for the final examination of Phd students of the École Polytechnique in Lausanne and Paris, and of the University of Bologna, University of Cagliari and University of Calabria. Since 2006 he supervised PhD Students in the field of Computer Science at the schools of IMT Lucca, and University of Chieti-Pescara, Perugia and Camerino. As to introduction of junior colleagues to research, Stefano Bistarelli in particular supervises and has supervised the following Ph.D. students: • F. Faloci, PhD student at University of Camerino (2019– today) • I. Mercanti, PhD student at IMT School for Advanced Studies Lucca (2018– today) • C. Taticchi PhD student at Gran Sasso Science Institute (GSSI) (2017– 2020 ), now PostDoc at University of Perugia • G. Gosti PhD at University of PERUGIA (2007 –2011), now researcher at Center for Life NanoScience, Italian Institute of Technology • F. Santini PhD at IMT School for Advanced Studies Lucca (2005–2009), now Associate Professor at University of Perugia