1985 - 1988 Fachhochschule Wiesbaden, Germany, Geisenheim Campus   Berverage Technology, Graduation: Dipl. Ing.   1989 - 1991 Justus-Liebig-University Giessen, Germany   Enology, Graduation: Dipl. Enologist  

1997  Justus-Liebig-University Giessen, Germany Ph.D   Thesis: „Composition, physical attributes and formation of the cloud particles in naturally cloudy apple juice and influence of process technology and raw material on turbidity and sedimentation stability”  


1988 - 1989 LLVA Trier, Germany Working on a project about the mousseux of sparkling wines

1992 - 1996 Forschungsanstalt Geisenheim, Germany Working as a scientist in the department “Wine Analysis and Beverage Research" Fundamental research about technology and composition of naturally cloudy apple juice 

Since 1996 Bucher-Guyer AG, today: Bucher Unipektin AG Niederweningen, Switzerland 

1996 - 2004: as R&D engineer (crossflow filtration, juice technology) 

2005 - 2007: as product manager filtration systems  since 2007: as head of technology and development