Carlos Hermosilla entered the Faculty of Veterinary Medicine at the University Austral of Chile (UACH), Valdivia, Chile, in 1984 and achieved the degree of Doctor of Veterinary Medicine (DVM) in 1989. He obtained his academic doctoral degree (Dr. med. vet.) in 1998 at the Institute of Parasitology, Faculty of Veterinary Medicine at the Justus Liebig University (JLU) Giessen, Giessen, Germany. He is since 2005 a Diplomate of the European Veterinary Parasitology College (DipEVPC) and since 2018 a European Board Veterinary Specialist (EBVS) in Veterinary Parasitology. From January 2008 to March 2011 he held the position of Senior Lecturer for Veterinary Parasitology at the Royal Veterinary College (RVC), London, United Kingdom, and since 2009 the position of Visiting Professor of the University Austral of Chile. In 2009 he finished his habilitation thesis (Dr. habil.) in Veterinary Parasitology. Since 2015 he holds the position of Professor for Parasitology at the Justus Liebig University (JLU) Giessen, Germany. In the last 18 years he has mainly been involved in the field of coccidian parasites (i. e. Eimeria bovis, Eimeria ninakohlyakimovae, Eimeria arloingi, Eimeria ovinoidalis, Neospora caninum, Toxoplasma gondii, Besnoitia besnoiti, Cryptosporidium parvum), host innate immune reactions against apicomplexan and helminth parasites (e. g. NETosis, METosis), metastrongyloid lungworms (Angiostrongylus vasorum, Angiostrongylus cantonensis, Aelurostrongylus abstrusus, Crenosoma vulpis, Troglostrongylus brevior, Gurltia paralysans) and zoonotic parasitoses occurring in wildlife (e. g. marine mammals, bears, wolves, wild felids) and exotic reptilian/amphibian pets. So far, he has achieved more than 227 peer reviewed international publications.