Dr.-Ing. Mathias Zagel is an acknowledged subject matter expert for PLM and especially for variant management. His status as a subject matter expert is based on
- over nine years of experience as a self-employed consultant,
- over 17 years of professional experience with PLM software vendors,
- his PhD (dissertation topic: Variant Management), undertaken alongside his work with PLM software vendors, and
- a respectable number of publications as well as presentations at conferences and symposia.