2016 Sabatical at Leibniz Institute for Polymer Research in Dresden: composite membranes for thermopervaporation process for waste water treatment .

2011 Sabatical at MTR Inc in Menlo Park, CA, USA with Hans Wijmans Organic vapor separation.

2007 Sabatical at Saxonia Biotech in Radeberg with Rudolf Lüning
Hollow fiber membrane bioreactor.

since 2000 Professor at Reutlingen University of Applied Sciences 
R&D fields: Polymer Membranes Teaching: Physical Chemistry, Energy storage, Biocompatibility.

1990 – 1999 Senior Scientist at Gambro Dialysatoren, Hechingen with Hermann Göhl R&D and market introduction of vapor-sterilizable hollow fiber dialysis membranes, CE certification, PVP-crosslinking, performance improvement of dialysers, selective removal of toxins in blood, adsorption of endotoxins, biocompatibility improvement.

1987 – 1989 Research Scientist at MTR Inc. in Menlo Park, USA, with Richard Baker Development of thin-film composite membranes, market introduction of spiral-wound membrane modules for waste water cleaning and gas separation.

1984 – 1987 Research Associate at Fraunhofer Institut für Grenzflächen- und Bioverfahrenstechnik, Stuttgart R&D of membranes for bioseparations and on composite membranes for solvent recovery from air.

1987 Doctoral Award with Heiner Strathmann:Dr. rer. nat. with excellence by the University of Stuttgart: Investigations on the permeation behaviour of solvents and their mixtures through membranes from elastomeric and glassy polymers.

1983 –1984 Diploma thesis at Institut für Textil- und Polymerchemie der Universität Stuttgart, with Heinz Herlinger: Permeation of detergents in polymer films. Degree: Diplom-Chemiker with excellence.

1977 –1983 Student in Chemistry at the University of Stuttgart
majoring in textile and polymer chemistry