The fifth biennial BIOMA conference will be held in Bohinj, Slovenia. The purpose of the BIOMA conference is to provide a forum for presentation and discussion of the latest theoretical and applied results in bioinspired optimization methodology and its applications. Authors will also have the opportunity to present their software tools and case-studies.Invited Keynote Speaker  A. E. Eiben (VU University Amsterdam, The Netherlands)Keynote Speaker  Xin-She Yang (National Physical Laboratory, UK)