Purpose – The purpose of this paper is to shed light on how family firms execute open innovation strategies by managing internal and external knowledge flows (KF) to provide a deeper understanding of family firms’ ability to innovate through traditions and create value across generations. Design/methodology/approach – Empirical evidence was collected using an online survey of a sample of 208 Apulian entrepreneurs, who were members of the association of young entrepreneurs of Confindustria in the Apulia region (southern Italy). Findings – The study derives a model that explains the most relevant factors behind the innovation processes developed by young entrepreneurs in family firms: network membership benefits; KF; track record of innovatio...