Dear friends and colleagues, This is a preliminary announcement that the next Peripatetic Seminar on Sheaves and Logic (PSSL 107) will be held on the weekend 1-2 April 2023 in Athens. The meeting is co-organized by the School of Applied Mathematics and Physical Sciences, National Technical University of Athens and the Department of Mathematics of the University of Patras and will take place in the facilities of the Department of Primary Education of the University of Athens, in downtown Athens. The meeting venue is located very close to the archeological site of the Lyceum, where the Peripatetic School was founded by Aristotle. It is our intention to visit the site during the meeting and possibly organize an event there. The local organizing committee is Vassilis Aravantinos-Sotiropoulos, Panagis Karazeris, Petros Stefaneas, Kostas Tsamis and Christina Vasilakopoulou. Further information will be sent in due course. Hope to see you in Athens, Christina [For admin and other information see: http://www.mta.ca/~cat-dist/ ]