University Professor and Chair (W3/Lehrstuhlinhaber) of Fish Diseases and Fisheries Biology (primo loco), The Faculty of Veterinary Medicine, Ludwig-Maximilians-Universitaet Muenchen, Germany. Director, LMU Center of Excellence for Aquatic Animal Veterinary Medicine, Biosecurity and Education; Executive Director, International Aquatic Veterinary Biosecurity Consortium Assistant Professor, Department of Biomedical Sciences, The College of Veterinary Medicine, Iowa State University, Ames, Iowa, U.S.A. Adjunct Assistant Professor and Veterinary Specialist, Aquatic Animal Medicine. Center for Food Security and Public Health, Departments of Veterinary Microbiology and Preventive Medicine, and Natural Resource Ecology and Management, Iowa State University. Instructor, Lecturer, Teaching and Research Assistant, Iowa State University Head of Biology Laboratory, Petnica Science Center. Leader of Ichthyology group, Petnica Science Center.