The National PhD in Artificial Intelligence (Phd-AI.it) concerns a central theme for digital transformation of society. It aims to mobilize the national community for a PhD in AI at the highest scientific level, such as to boost research and the country's industrial and social innovation. The PhD-AI.it is implemented, with the coordination of the CNR and the University of Pisa, with the establishment of 5 federated AI doctorates, organized by a university leader and a large consortium of universities and research institutions. Doctorates have a common base focused on the foundational aspects of AI e 5 areas of specialization: • Government and public bodies, Sapienza University of Rome • Health and life sciences, University Campus Bio-Medico of Rome • Agrifood and environment, University of Naples Federico II • Industry, Turin Polytechnic • Society, University of Pisa. Specific objectives of the PhD-AI are: • Build a community of young researchers in training and AI researchers distributed at a territorial and disciplinary level; • Encourage the exchange of multi-disciplinary experiences between the nodes of the network through the periods of didactic and research mobility of the PhD students; • Integrate and strengthen the Italian network of AI research centers, also in relation to the European ICT-48-H2020 program "Towards a vibrant European network of AI excellence centers ”and the European human-centered and trustworthy AI development strategy.