Dipl.-Ing. Frank Perzl completed his degree in forestry at the University of Natural Resources and Applied Life Sciences (BOKU), Vienna in 1995 and his diploma in geographic information systems in 2004, before joining the Austrian Research Centre for Forests (BFW) in 2005. His main topics are the forest and natural hazard inventory, protective functions and effects of forests in application-oriented projects, and expert reports for the public and private sectors. He has developed assessment procedures for the protective functions and effects of forests. Examples include guidelines for Austrian programs for the improvement of protective forests, natural hazard maps commissioned by major infrastructure operators, and modeling of the protective function of Austrian forests against snow avalanches, rockfall and shallow landslides.