Dear colleagues, We are delighted to announce that the *15th International Conference on Bayesian Nonparametrics (BNP15) *will be held at the *Università degli Studi di Bergamo*, Italy, from 28 June to 2 July 2027. BNP is the biennial international meeting of the Bayesian nonparametrics community and an official section meeting of the *Bayesian Nonparametrics Section of ISBA*. The conference brings together researchers working on the theory, methodology, computation, and applications of Bayesian nonparametric statistics. We are pleased to confirm the following invited speakers: *Plenary speakers* • Sylvia Frühwirth-Schnatter, WU Vienna University of Economics and Business • Michele Guindani, University of California, Los Angeles • Fernando Quintana, Pontificia Universidad Católica de Chile *Keynote speakers* • Sandra Fortini, Bocconi University • Ramses Mena, Universidad Nacional Autónoma de México • Jeff Miller, Harvard University The conference will take place at the Sant'Agostino Campus ( https://en.unibg.it/university/about-us/campuses/santagostino) of the University of Bergamo, set in the historic upper town (Città Alta). Further details will be posted on the conference website: https://bnp15.github.io/. For any questions, please write to bnp15.conference@gmail.com. We look forward to welcoming you to Bergamo. Best regards, Raffaele Argiento On behalf of the BNP15 Organizing Committee