Linas Balčiauskas is Lithuanian mammalogist at the Nature Research Centre in Vilnius. Main research trends are hoofed, semi-aquatic, carnivore and small mammal ecology, threatened species, large carnivores, spatial distribution, habitat analysis, population management and computer modeling; biodiversity and ecological diversity, human dimensions of mammals, road ecology, citizen science. AAuthored and co-authored over 200 scientific peer-reviewed published papers, over 20 books and chapters, over 50 popular publications. Participated over 70 national and international conferences with ca 200 presentations. His involvement in education and public awareness development include supervision of undergraduate and doctoral students, presentations in mass media and popular publications (over 40 in last decade), training and education of staff of protected territories and work with hunters in citizen science project. He serves as IUCN Otter specialist group expert since 1995, Bear specialist group since 2003, Bison specialist group expert in 2001–2012. He was Editor in chief of Zoology and Ecology in 2009–2017 (Lithuania), subject editor of North-Western Journal of Zoology in 2015–2021 (Romania), handling editor of Forest ecosystems since 2015 (China), member of Editorial board of Acta biologica Universitatis Daugavpiliensis (Latvia) and member of Advisory board of Proceedings of the Theriological School (Ukraine) since 2016