Johannes Meiwald Pfeiffer Vacuum
![Johannes Meiwald Johannes Meiwald](https://pda.org/images/default-source/speakers/johannes-meiwald.jpg?sfvrsn=2d0908e_0)
Johannes Meiwald Pfeiffer Vacuum
Johannes Meiwald is a physicist, who focused his diploma thesis on the production and treatment of carbon nanotubes. He has been working for four years for Pfeiffer Vacuum GmbH as a specialist for mass spectrometers, including sales and a special focus on technical support.