Dear Colleagues, This is announce a forthcoming series of meetings on Two and Higher Dimensional Structure in Computation and Logic <https://www.chairejeanmorlet.com/2027-fiore-vaux-auclair-1st-semester.html> to take place at the CIRM <https://www.cirm-math.com/> (Marseille, France) during the first semester of 2027. The programme, with calls for participation to be sent in due course, will include the following: - Workshop: Interfacing models and formalizations of type theories <https://conferences.cirm-math.fr/3688.html> (22–26 March 2027) - Research School: Two and higher dimensional models of computation and logic <https://conferences.cirm-math.fr/3686.html> (3–7 May 2027) - Conference: Two and higher dimensional structures <https://conferences.cirm-math.fr/3687.html> (10–14 May 2027) - Workshop: Species in combinatorics and semantics <https://conferences.cirm-math.fr/3689.html> (7–11 June 2027) On behalf of the scientific and organizing committees, we look forward to seeing you there. Marcelo Fiore and Lionel Vaux Auclair