| 2007 -2015 | supervisor of the blood distribution and transfusion at the trauma care hospital in Linz |
| 2006 -2015 | diploma for genetics from the Austrian Medical Board |
| 2002 -2015 | CEO Sanartis medical services GmbH (subsidiary of the Red Cross) |
| 2001 -2009 | EFQM Assessor |
| 2001 -2015 | medical director, Red Cross Transfusion Service of Upper Austria |
| 2001 -2015 | medical director, Red Cross Transfusion Service of Upper Austria |
| 2001 -2015 | qualified person according to pharmaceutical law and medical director of blood donation service (according to blood safety law) |
| 1999 -2015 | authorized person for transfusion medicine, General Hospital Linz |
| 1998 -2015 | diploma for clinical trials from the Austrian Medical Board |
| 1997 -1997 | certificate of professional competence for wholesale trade and commerce with drugs and pharmaceuticals |
| 1996 -1998 | course for hospital management at the Vienna University for economics and business |
| 1995 -2015 | partner and co-worker at the Ludwig Boltzmann Institute for clinical and experimental Traumatology |
| 1994 -2000 | assistent medical director at the Red Cross Transfusion Service of Upper Austria |
| 1989 -2001 | physician at the department for Anaestheiology and Intensive Care (part time with special tasks): Intensive care, intensive care laboratory and anaesthesiology in trauma care, reconstructive surgery, orthopedics |
| 1989 -1994 | resident in microbioogy and serology (later transferred to transfusion medicine) at the Red Cross Transfusion Service of Upper Austria |
| 1988 -1989 | resident at the department for anaesthesiology and intensive care, General Hospital Linz |
| 1988 -2015 | license in emergency medicine |
| 1987 -1988 | Compulsory civilian service at the Red Cross in Vöcklabruck |
| 1984 -1988 | Training as general practitioner in the state hospitals in Buchberg, Gmunden and the Childrens hospital in Linz |
| 1978 -1984 | law school, University Innsbruck (first and second section) |
| 1978 -1983 | medical school, University Innsbruck |
| 1970 -1978 | secondary school, Gmunden |
| 1968 -1970 | primary school, Gmunden, Austria |
| 1966 -1968 | primary school, Sacre Coer, Seoul Korea |
| 2011 | DGTI 44. Jahreskongress Hannover: Best Poster Award MHC resequencing highlights potential transplantation determinants in HLA identical HSCT Pröll J, Danzer M, Niklas N, Stabentheiner S, Hofer K, Gabriel C |
| 2014 -2015 | Internationale Gesellschaft für Blut Transfusion, Arbeitsgruppe für infektiöse Erkrankungen Mitglied der Subgruppe f bakterielle Kontaminationen |
| 2013 -2015 | Beirat Forschung und Entwicklung der FH Oberösterreich Mitglied |
| 2012 -2015 | Internationale Gesellschaft für Blut Transfusion, Arbeitsgruppe für Zelltherapie Sekretär |
| 2012 -2015 | Internationale Gesellschaft für Blut Transfusion, Arbeitsgruppe für Zelltherapie Sekretär |
| 2012 -2015 | Arbeitsgruppe der medizinischen Leiter der österreichischen Gesellschaft für Blutgruppenserologie und Transfusionsmedizin Vorsitzender |
| 2008 -2015 | Transplantbeirat der GÖG Vertreter der ÖGBT |
| 2010 -2013 | Deutsche Gesellschaft für Transfusionsmedizin und Immunhämatologie Beisitzer |
| 2007 -2008 | Österreichische Gesellschaft für Blutgruppenserologie und Transfusionsmedizin Präsident |
| 1998 -2000 | Internationale Gesellschaft für Blut Transfusion, Arbeitsgruppe für Automation und Datenverarbeitung Vorsitzender |
| 2013 -2015 | HUMAN IMMUNOLOGY |
| 2014 -2015 | BMC GENOMICS |
| 2015 -2015 | TRANSFUSION MEDICINE AND HEMOTHERAPY |
| 2014 -2014 | BMC CANCER |
| 2014 | Berufung: Mitglied: Fachhochschule Oberösterreich, Campus Linz Jarek Jacak |
| 2012 -2015 | Österreichische Gesellschaft für Blutgruppenserologie, Transfusionsmedizin, Regenerative Medizin und Immungenetik - Austria |
| 2015 -2015 | Bürgermeisterfond der Stadt Wien - Austria |
| 2014 | Fachhochschule Oberösterreich, Forschungsrat |
| 2015 | 25th Regional Congress of the ISBT, London Wissenschaftlicher Beirat/Beirätin |
| 2015 | Cellular Therapies Session, 25th regional congress of the ISBT Chair |
| 2015 | Cellular Therapies Session, 25th regional congress of the ISBT Chair |
| 2015 | Cellular Therapies Session, 25th regional congress of the ISBT Chair |
| 2014 | 3. Linzer immunhämatologische Symposium Organisator |
| 2013 | 2. Linzer immunhämatologische Symposium Organisator |
| 2013 | Abstract Session 1, Blutspende und Spenderrekrutierung, 46. Jahrestagung der DGTI Chair |
| 2012 | 1. Linzer immunhämatologische Symposium Organisator |
| 2012 | 3rd TERMIS World Congress 2012 Mitglied Organisationskomitee |
| 2012 | 21st Congress of European Association of Tissue Banks, EATB 2012 Mitglied Organisationskomitee |