Welcome to four new subject editors at Biodiversity Data Journal!

At the Biodiversity Data Journal, we are pleased to welcome four new experts, who recently joined our editorial team. Warm welcome goes to all of them, as we are wishing them a pleasant and inspirational time as part of BDJ.

The Biodiversity Data Journal and our readers are looking forward to the finest-quality articles published with the help of your invaluable feedback and guidance!

• Dr Jeffrey Sosa-Calvo, affiliated with the National Museum of Natural History, Smithsonian Institution (Washington, USA), joins us as an expert on the ant family (Formicidae) for the subjects of Evolutionary biology, Taxonomy, Phylogeny and Systematics. Follow Jeffrey on Twitter.

• Dr Spiros Papakostas, affiliated with the International Hellenic University (Thessaloniki, Greece) and the University of Turku (Turku, Finland), joins us an expert on the Rotifera phylum for the subjects of Evolutionary biology, Taxonomy, Population genetics, Systematics and Speciation. Follow Spiros on Twitter.

• Dr Matias Köhler, affiliated with the Federal University of Rio Grande do Sul (UFRGS, Porto Alegre, Brazil), joins us as an expert on the cactus family (Cactaceae) for the subjects of Taxonomy, Phylogeny, Floristics and distribution and Systematics. Follow Matias on Twitter.

• Dr Enrico Ruzzier, affiliated with the University of Padua (Padua, Italy) and the Natural History Museum in London (United Kingdom), joins us as an expert on the order of beetles (Coleoptera) for the subject of Taxonomy, Phylogeny, Systematics and General ecology. Follow Enrico on Twitter.