| 1991 | Member of the "Cancer Research Working Group" of the European Community |
| 1986 | Education Stay; Training in Magnetic Resonance Imaging in comparison to Ultrasound and CT in Medicine; Atlanta; USA |
| 1986 -1992 | Dean and Head of Medical School, Karl-Franzens-University of Graz, Austria |
| 1984 | Head of Medical Faculty Unit "Central Radionuclide Labratory" at the Karl Franzens-University of Graz, Austria |
| 1973 | Full Professor of the Department of Medical Physics and Biophysics at the Medicine School of the Karl-Franzens-University of Graz, Austria |
| 1972 -1973 | Visiting Professor of the Canadian Heart Foundation (Director - D.MacLeod), Halifax, Canada |
| 1970 -1972 | Associate Professor, Department of Physiology at the University of Freiburg / Breisgau, Germany |
| 1970 | Habilitation in Physiology, Department of Physiology at the University of Freiburg / Breisgau, Germany |
| 1966 | Education Stay; Training in Radionuclide Techniques, Nuclear Medicine and Radiation Protection at the Kernforschungszentrum Karlsruhe; Germany |
| 1966 -1970 | University Assistant, Department of Physiology at the University of Freiburg / Breisgau, Germany |
| 1965 -1966 | Research Fellowship in Physiology, Department of Physiology of the University of Freiburg (Director - A.Fleckenstein), Germany |
| 1964 | MD Award of Excellence - at the Medicine School of the Karl-Franzens-University of Graz, Austria |
| 1963 | Studying semesters abroad at the Medicine School of the Freie Universität West-Berlin, Germany |
| 1962 -1963 | Studying semesters abroad at the Medicine School of the University of Hamburg; Supported by a stipendium of the German University Service; Germany |
| 1959 -1964 | Study of Medicine at the Medicine School of the Karl-Franzens-University of Graz, Austria |
| 1958 -1959 | Studies at the Technical University of Graz, Austria |
| 2006 | Ehrenmitglied des Vereins AUSTRON |
| 1989 | Österreichischer Staatspreis zur "Förderung für Methoden zur Reduktion von Tierversuchen" |
| 1973 | Winner of the Golden Inductorium, Institute of Physiology, Montreal |
| 1973 -2004 | Vorstand des Instituts für Medizinische Physik und Biophysik der Karl-Franzens-Universität Graz Vorstand |
| 1986 -1992 | Dekan der Medizinischen Fakultät der Karl-Franzens-Universität Graz Vorstand |
| 1984 -1987 | Österreichischer Universitätsprofessorenverband Vorsitzender |
| 1993 -1999 | INVASION & METASTASIS: Herausgeber |
| 1970 -2008 | NAUNYN-SCHMIEDEBERGS ARCHIVES OF PHARMACOLOGY |
| 1980 -2008 | EUROPEAN BIOPHYSICS JOURNAL WITH BIOPHYSICS LETTERS |
| 1982 -2008 | EUROPEAN JOURNAL OF PHARMACOLOGY |
| 1976 -2007 | WIENER MEDIZINISCHE WOCHENSCHRIFT. SUPPLEMENT. |
| 1979 -2007 | JOURNAL OF MOLECULAR AND CELLULAR CARDIOLOGY |
| 1993 -2007 | CLINICAL & EXPERIMENTAL METASTASIS |
| 1998 -2007 | BIOPHYSICAL JOURNAL |
| 2001 -2007 | EUROPEAN JOURNAL OF CANCER |
| 1972 -2006 | PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY |
| 1978 -2006 | BASIC RESEARCH IN CARDIOLOGY |
| 1981 -2006 | ZEITSCHRIFT FUR KARDIOLOGIE |
| 1985 -2006 | ZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES |
| 1992 -2006 | BRITISH JOURNAL OF PHARMACOLOGY |
| 1992 -2006 | INVASION & METASTASIS |
| 1995 -2006 | AMERICAN HEART JOURNAL |
| 1996 -2006 | PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY |
| 1998 -2006 | CLINICAL CARDIOLOGY |
| 1998 -2006 | EUROPEAN JOURNAL OF CLINICAL INVESTIGATION |
| 2001 -2006 | CARDIOVASCULAR RESEARCH |
| 2002 -2006 | EUROPEAN HEART JOURNAL |
| 2004 | Habilitation: Gutachter: Cairo University, Department of Zoology |
| 2003 | Habilitation: Gutachter: Technische Universität Wien |
| 1998 | Habilitation: Gutachter: Cairo University / Faculty of Science |
| 1998 | Habilitation: Gutachter: Universität Wien |
| 1997 | Berufung: Gutachter: Universität Nürnberg Lehrstuhl für Hygiene |
| 1997 | Habilitation: Gutachter: Universität Wien |
| 1992 | Habilitation: Gutachter: Medizinische Hochschule Kiew |
| 2006 | Fondation Internationale pour la Substitution de lExpérimentation Animale (FISEA) |
| 2006 | Bundesministerium für Wissenschaft und Forschung |
| 2006 | European Community - European Center for Validation of Alternative Methods (ECVAM) |
| 2002 | European Community - Working Group of Cardiac Electrophysiology |
| 2001 | Österreichischer Austauschdienst (ÖAD) |
| 1995 | European Community - Cancer Research Working Group; Austrian Representative |
| 1988 | Forschungszentrum Jülich in der Helmholtz-Gemeinschaft |
| 1999 | Kardiologentagung Freiburg Mitglied Organisationskomitee |
| 1988 | Jubiläumsveranstaltung "125 Jahre Medizinische Fakultät Graz" Organisator |
| 1987 | Österreichischer und internationaler Universitäts-Professorentag in Graz Organisator |