Charles participated in the 2023 Eu-SPRI Conference on “Research with Impact” hosted by the Science Policy Research Unit (SPRU) at the University of Sussex Business School on June 14 – 16, 2023. He made a full paper presentation of the following paper: “Product procurement and functional procurement for innovation – clarifications needed for empirical research”. The details of the paper (with a marginally different title) can be found in an entry further below in this home page. Charles also chaired the session on innovation and public procurement.