Thomas Gellermann

Thomas belongs to the expert network of former AZT colleagues (Allianz Center for Technology) and supports the Expert Center for Technology / Experten Zentrum für Technik (EZT) and its clients with his expertise.
Thomas joined Allianz Center for Technology (AZT) in 2000 as a technical expert for turbomachinery. His areas of expertise are machinery diagnostics and damage investigations, especially on rotating equipment in the power generation industry. He uses the wide range of vibration analysis capabilities to troubleshoot rotordynamic problems and is also a consultant for vibration monitoring solutions. He holds the highest level of certification for vibration analysts according to ISO 18436-2, CAT IV.
Related to vibration issues of turbomachinery he has performed and managed several comprehensive investigations on steam, gas and hydro turbines, as well as load measurements on wind turbine drive trains. For many years he has been a member of the advisory panel for conferences of the Association of German Engineers (VDI) and the chairman of the working group “Measurement and Evaluation of Mechanical Vibration of Wind Turbines” of the national standard committee VDI/ NALS.
Before specializing in machinery diagnostics at AZT, he worked for 6 years at the turbine manufacturer MAN Turbo in Oberhausen as a service engineer for gas turbine units. He graduated in 1993 from the University of Dortmund with a Master degree in Mechanical Engineering.

Gudrun Stronski

Gudrun worked as professional photographer for the Allianz Center for Technology (AZT) since 1988.
Her task was the photographic documentation of damaged components and fracture surfaces at the laboratory of AZT. This implied photos in her own photo studio, but also mobile photography in the lab as well as onsite.
Since the integration of AZT into the Allianz Global Corporate and Specialty (AGCS) in 2008, she was additionally responsible for the photographic documentation of meetings or events within the AGCS.