1979 - 1984 Research Assistant, Institute of Biochemical Pharmacology (Chief: Prof. Dr. O. Hornykiewicz), Univ. of Vienna, Austria.
Jan. - March 1985 Visiting Researcher (Postdoctoral study), Department of Pharmacology, University of Freiburg (Chief: Prof. Dr. G. Hertting), Germany. April 1985 - April 1987 Research Associate Institute of Biochemical Pharmacology (Chief: Prof. Dr. O. Hornykiewicz), Univ. of Vienna, Austria.
May - Dec. 1987 Research Associate, Ludwig-Bolzmann Institute for Clinical Neurobiology, Neurobiological Institute (Chief: Prof. Dr. K. Jellinger), Hospital Lainz, Vienna, Austria.
Jan. 1988 - May 1993 Faculty Research Associate, Maryland Psychiatric Research Center (Chief: Prof. Dr. R. Schwarcz), Univ. of Maryland, Baltimore, MD, USA.
June 1993 Mai 1995 Charlotte Buhler Habilitationsstipendium (for Assoc. Prof.), Fonds zur Förderung der Wissenschaftlichen Forschung - Austrian Visiting Researcher, Department of Pharmacology, Toxicology and Pharmacy (Chief: Prof. Dr. W. Löscher), School of Veterinary Medicine, Hannover, Germany.
Juni 1995-Feb 1996 Univ. Docent. Principal investigator co-operation with Prof. Dr. G. Lubec Univ. of the Pediatric. University Clinic Vienna.
1996 -1997 Univ. Docent. Principal investigator co-operation with the Ludwig Bolzmann Institute for Clinical Neurobiology, Psychiatric Hospital, Vienna, Austria (Chief: Univ.-Prof. Dr. K. Jellinger).
1998 University assistant (Karenzvertetung), Institut for Physiology, University. Wien, (Chief Univ.-Prof. Dr. P.G. Spieckermann).
1999 – 2001 University assistant (Karenzvertretung) at the Institute of Pharmacology and Toxicology, Veterinary medical University Vienna.
1999 –2002 A.o.-Univ.-Prof. at the Institute of Pharmacology and Toxicology, Veterinary medical University Vienna.
2002 –2004 Quality Management advisory board member Ostarrichiklinikum Mauer
2002 – 2005 Principal investigator (Projects) at the Institute of Pharmacology and Toxicology and at Institute of Physiology, Veterinary Medical University Vienna.
2002 –2007 Principal investigator (Projects) at the Institute of Physiology, Veterinary Medical University Vienna,
2005- present Head of Neurochemical Laboratory, Karl Landsteiner Research Institute of Pain and Neurorehabilitation, Landesklinikum Mauer-Amstetten
2007-2009 Head of Neurophysiology, Institute of Physiology, Department of Biomedical Sciences, Veterinary Medical University Vienna
2009-present Head of Karl Landsteiner Research Institute of Neurochemistry, Neuropharmacology, Neurorehabilitation and Pain Treatment Mauer-Amstetten
Behavioural, biochemical and pharmacological studies in the kainic acid animal model for human temporal lobe epilepsy, in canine epilepsy and in experimental porcine picornea virus encephalomyocarditis. Neurodegeneration and Neuroprotection, Neuromodulators, Neurotransmitters, Amino acids. Kynurenine metabolism in the CNS of humans and (comparative) animals. Tryptophan metabolism and mitochondrial function. Enzymology Transcranial magnetic stimulation - diagnostic and therapeutic application Proprioception and stochastic resonance