Teacher biology and chemistry high school, Oradea, 1980—1983. Teacher Wenner-Gren Institute, Stockholm University, 1986—1992, research assistant department physiology, 1992—1995. Research scientist Pharmacia & Upjohn, Uppsala, Sweden, 1995—1999.
Post-doctoral researcher department medicine Huddinge University Hospital, Karolinska Institute, Stockholm, since 2000. Teacher, supervisor laboratory technicians and students department medicine Karolinska Institute, since 2000.