Photography by Manuel Schönfeld
Our Team
Norbert Witz-Haszler
CEO
Dr. Roman Bek
CTO
Priscilla Ürek
Administration & Marketing
Michael Scharwaechter
Laser Design
Matthias Seibold
Back-End Processes
Marco Werner
Front-End Processes
Michael Zimmer
Process Development
Sergej Vollmer
Semiconductor Epitaxy
Patrick Pietrantuono
Quality Assurance
Jakob Hirlinger-Alexander
Process Development
Stuttgart
PRODUCTION & DEVELOPMENT
Universität Stuttgart
Allmandring 3
70569 Stuttgart
- +49 (0) 711 685 69849
- info@21semiconductors.com
Neckartenzlingen
ADMINISTRATION
Twenty-One Semiconductors GmbH
Kiefernweg 4
72654 Neckartenzlingen