The Academy of Natural Sciences of Drexel University

VSU named after PM Masherov (Витебский государственный университет имени П.М …

Hawk Conservancy Trust

Eagle Environmental, Inc.

Slovak Bat Conservation Society

Staff curator at the University of Wyoming Museum of Vertebrates, University of Wyoming

BirdEyes, Centre for Global Ecological Change, University of Groningen

Constantine the Philosopher University in Nitra

University of Debrecen

Research Institute for Nature and Forest; Batumi Raptor Count; University of Antwerp;