**About the Editor**

## **Konstantinos Ar. Kormas**

Konstantinos Kormas leads the Microbial Communities and Habitats in Aquatic Environments Laboratory (MiCHAEL) of the University of Thessaly, Greece. The team's research interests focus on the diversity and ecological role of prokaryotes and unicellular eukaryotes in the aquatic environment, with special emphasis on the associations and interactions of symbiotic microorganisms with aquatic animals. MiCHAEL's work includes field and laboratory work in marine and freshwater systems, specializing in molecular approaches including genomics and metagenomics. He is currently involved in two H2020 and two national research projects related to animal–microbe interactions. He is the author/co-author of >115 peer-reviewed papers, nine book chapters and one book in Greek ("Ecology of aquatic microorganisms"). His published works have received more than 2600 citations (SCOPUS, excluding self-citations) and his h-index is 30.
