Bogdan Filip Zerek works for the National Library of Poland and since 2007 has been the head of the microbiology, disinfection and conservation of atypical objects section. He is also deputy head of the Conservation Department-Laboratory. With an MA in paper conservation and an MS in environmental biology, Bogdan is most active in the field of microbiological control, as a part of conservation and preservation measures for both single objects and whole collections. Bogdan has practical experience in daily Library routine, disaster response and scientific experimental research.