Ph.D. candidate in Ingegneria Gestionale E Della Produzione , 40th cycle (2024-2027) Department of Management and Production Engineering (DIGEP) stefano.richeri@polito.it Profile PhD Research topic Assessing and optimizing social and sustainable procurement practices adopting a value chain perspective Tutors Paolo Landoni Andrea Tuni Keywords Entrepreneurship and entrepreneurial finance Industrial logistics and supply chain management Innovation and technology management Project management Systems, technologies, and products sustainability Publications Latest publications View all publications in Porto@Iris Richeri, Stefano; Tuni, Andrea; Landoni, Paolo (2026)A systematic literature review about social procurement: unveiling and redefining the different social procurement typologies. In: 35th Annual IPSERA Conference, Helsinki (Finlandia), 19th - 22nd April 2026, pp. 1-39 Contributo in Atti di Convegno (Proceeding)