Mastering and DMM engineer in the 1980s at Teldec-Studio, Berlin.

His DMM cuts can be identified by always hand-etched Pü-B-I or Pü-B-II or Pü-B-III, where B stands for Berlin and the roman numerals for the studio/lathe.
Please credit:
Mastered At - TELDEC-Studio, Berlin
Direct Metal Mastering By - Carsten Püschel + ANV Pü