Franz Sellner received his MD at the University of Vienna in 1971. Starting in 1973, he received specialist training for surgery at Kaiser Franz Josef Hospital Vienna, and from 1980 until his retirement in 2008, he was a specialist in surgery at the Dept. of Surgery, Kaiser Franz Josef Hospital. In 2008, he was awarded the title “University Professor” of Surgery at the Medical University of Vienna. He has published 145 research works with 1330 citations and 2135 reads, in the fields of: adenoma-carcinoma-sequence in the small bowel; epidemiology and surgical management of periampullary and pancreatic tumours; and epidemiology and arguments for the impact of a "Seed and Soil Mechanism" in isolated pancreatic metastasis of renal cell carcinoma.

Prof. Eva Compérat is a pathologist in the Dept. of Pathology, Medical University of Vienna, head of the Uropathology working group, and a consulting pathologist in muscle-invasive and non muscle-invasive bladder cancer for the European Association of Urology (EAU). She is the co-author of several guidelines for ESMO (bladder, kidney, penis) and a member of several notable international societies in uropathology including the EAU, ESMO, the International Society of Urological Pathology (ISUP), and the Genitourinary Pathology Society (GUPS). Professor Compérat serves on the editorial boards of journals including the World Journal of Urology, Pathology, PLOS, Human Pathology, Nature Urological Reviews, and European Urology Oncology. She was a co-author of the 4th edition of WHO Tumours of the Urinary System and Male Genital Organs and a co-author and editorial board member of the 5th edition. Professor Comperat is equally dedicated to educational efforts in her specialised field (she has held a teaching position at the Université Pierre et Marie Curie in Paris since 2002), and is now teaching at the Medical University of Vienna. She is a frequent contributor to educational exchanges organised by the International Academy of Pathology.

Martin Klimpfinger is a Guest Professor at the Clinical Institute of Pathology of the Medical University of Vienna and in the private Laboratory for Cytology and Histology Dr. Ulm GmbH, also in Vienna (Kürschnergasse 6b / A-1210 Vienna/Austria). He studied medicine at the Medical Faculty of the Karl Franzens University (KFU) in Graz (since 2004: Medical University of Graz), where he received his doctorate in 1983. He is an Austrian pathologist and university professor. He was head of the Pathological-Bacteriological Institute of the Sozialmedizinisches Zentrum Süd—Klinik Favoriten, the former Kaiser Franz Josef-Spital, an academic teaching hospital of the Medical University of Vienna, from 1997 to 2020. He was also President from 2015 to 2016 and Past-President from 2017 to 2018 of the Austrian Society of Clinical Pathology and Molecular Pathology, formerly the Austrian Society of Pathology - Austrian Division of the International Academy of Pathology. Currently, he is responsible for public relations as a board member of the society since 2019.