Introduction After the successful HPC and RSE workshop “Excalibur RSEs meet HPC Champions” which ran as a satellite event on the Friday after RSECon22 in Newcastle, the organisers decided to run a similar event this year. The idea was to integrate a 1-2h Birds-of-a-Feather (BoF) session into RSECon23 in Swansea, rather than having a satellite...