• Development Engineer, Fresenius Medical Care, Bad Homburg
     Department of Research and Development dialysis technology
     Development and testing of methods and mechanical and
     sensor components for peritoneal and hemodialysis
• Development Engineer, Espe AG, Seefeld
     Department of Research and Development Technical Systems
     Development of a 3D - scan CAD / CAM - system for the production
     dental crowns and dental bridges made of zirconium oxide and titanium
• Senior Engineer, Oral-B / Braun GmbH, Kronberg Taunus
     Department of Developmental Oral Care Brushing
     - Development and implementation of tests to investigate 
       performance and safety criteria of electric and manual toothbrushes
     - Development and validation of measurement methods to support
       advertising claims

• Quality Engineer, Sanofi, Frankfurt / Höchst
     Development and validation of methods for testing of
     Insulin pens in the GMP environment.

•   Founder and Managing Director of the company JWE GmbH.

Patente

Oral-B is a registered  trade mark of  Procter & Gamble Business Services Canada Company