Sven Seiwerth is a full professor of pathology in a permanent position, former  head of the Institute and Department of Pathology at the Faculty of Medicine, University of Zagreb, and of the Department of Bone and Soft Tissue Pathology and Lung Pathology at the Clinical Institute of Pathology of KBC Zagreb. He was vice dean for teaching and president of the Teaching Committee of the Faculty of Medicine for six term, and before that, he was assistant to the dean for graduate teaching for three years. He has been continuously participating in all forms of graduate and postgraduate teaching at the Medical School, as well as in teaching at the Health Polytechnic and continuing education courses. For four terms, he was the general secretary of the Croatian Society of Pathologists and Forensic Medicine with the task of international cooperation, and till now the national representative in the UEMS/Board of Pathology, where he is also held the office of general secretary for two terms. Currently he is the president of the Croatian Society for Pathology and Forensic Medicine and  the national coordinator for the specialist training program for specialization in the field of Pathology and Cytology.