S-REPLS is a regular and informal meeting for those based in the South of England with a professional interest—whether it be academic or commercial—in the semantics and implementation of programming languages. The seminar is free of charge and lunch will be provided. For details and to register, please see their webpage
The next S-REPLS meeting will take place at the University of Warwick, in late 2017, and is organised by Andrzej Murawski and David Purser.
Details of previous S-REPLS meetings can be found on here