Dr. Marco Casu is an Associate Professor at the Department of Veterinary Medicine, University of Sassari. He holds a Master's degree in Natural Sciences and a Ph.D. in the Analysis and Management of Natural Ecosystems (University of Sassari). In addition, he has had Research fellowships and served as a Post-doc at the University of Sassari. His most important research topics include Phylogeography, Population Genetics, and Molecular Taxonomy of Fish and Marine Invertebrates; Phylogenetic Reconstruction in the Proseriata (Platyhelminthes) taxon; and Conservation Genetics of Rare and/or Threatened Aquatic Species.