Achille Felicetti is a researcher at VAST-LAB PIN, the Prato agency for research and training of the University of Florence. He has a degree in Archaeology and a diploma in computer programming. He is a metadata and standards expert and the coordinator of various teams working on the creation of ontologies and semantic tools for Cultural Heritage. He coordinates the development of digital platforms for the integration and interoperability of data generated by various disciplines, including History, Linguistic studies and Heritage Sciences. He is responsible for the development of text recognition, NLP and machine learning tools. He coordinates the development of the CRMarchaeo and the CRMtex extensions of CIDOC CRM. He is currently work package leader in the ARIADNEplus and 4CH projects, and was involved in the E-RIHS, OpenAIRE-Connect and EOSC European initiatives. He is author of several papers dealing with the applications of semantic technologies to Cultural Heritage documentation.